| Title: | Counterexample to the regularity of weak solution of elliptic systems (English) | 
| Author: | Nečas, Jindřich | 
| Author: | John, Oldřich | 
| Author: | Stará, Jana | 
| Language: | English | 
| Journal: | Commentationes Mathematicae Universitatis Carolinae | 
| ISSN: | 0010-2628 (print) | 
| ISSN: | 1213-7243 (online) | 
| Volume: | 21 | 
| Issue: | 1 | 
| Year: | 1980 | 
| Pages: | 145-154 | 
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| Category: | math | 
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| MSC: | 35B65 | 
| MSC: | 35D10 | 
| MSC: | 35J60 | 
| idZBL: | Zbl 0442.35034 | 
| idMR: | MR566246 | 
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| Date available: | 2008-06-05T21:03:59Z | 
| Last updated: | 2012-04-28 | 
| Stable URL: | http://hdl.handle.net/10338.dmlcz/105983 | 
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| Reference: | [1] De GIORGI E.: Sulla differenziabilità e l'analicità delle estremali degli integrali multipli regolari.Mem. Acad. Sci. Torino 3 (1957), 25-43, Matematika 4 (1960), 25-38. MR 0093649 | 
| Reference: | [2] De GIORGI E.: Un esempio di estremali discontinue per un problema variazionale di tipo ellittico.Boll. Unione Mat. Italiana 1 (1968), 135-138. MR 0227827 | 
| Reference: | [3] GIUSTI E., MIRANDA M.: Un esempio di soluzioni discontinue per un problema di minimo relativo ad un integrále regolare del calcolo delle variazioni.Boll. Unione Mat. Italiana (4) 1 (1968), 219-227. Zbl 0155.44501, MR 0232265 | 
| Reference: | [4] KOŠELEV A. I.: Regularnosť rešenij kvasilinějnych eliptičeskich sistem.Uspechi mat. nauk 23 (1978), 3-49. MR 0510669 | 
| Reference: | [5] LADYŽENSKAJA O. A., URAL'CEVA N. N.: Linějnyje i kvasilinějnyje uravněnija eliptičeskogo tipa.Nauka, Moskva 1964. MR 0211073 | 
| Reference: | [6] MORREY Ch. B.: Differentiability theorems for weak solutions of nonlinear elliptic differential equations.Bull. Am. Math. Soc. 75 (1969), 684-705. Zbl 0181.38001, MR 0246182 | 
| Reference: | [7] MORREY Ch. B.: Existence and differentiability theorems for the solutions of variational problems for multiple integrals.Bull. Am. Math. Soc. 46 (1940), 439-458. Zbl 0063.04105, MR 0002473 | 
| Reference: | [8] NASH J.: Continuity of solutions of parabolic and elliptic equations.Amer. J. Math. 80 (1950),931-954. MR 0100158 | 
| Reference: | [9] NEČAS J.: Sur la régularité des solutions variationalles des équations elliptiques non-linéaires d'ordre $2k$ en deux dimensions.Annali Sc. Norm. Sup. Pisa 21 (1967), 427-457. MR 0226467 | 
| Reference: | [10] NEČAS J.: Example of an irregular solution to a nonlinear elliptic system with analytic coefficients and conditions for regularity.Abh. Deutsch. Akad. Wiss. Berlin K1. Math. Phys. Tech., 1977, 1N, 197-206. MR 0509483 | 
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