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Author: Petry, Walter

• Petry, Walter: Correction to my paper: “Existence theorems for operator equations and nonlinear elliptic boundary-value problems” [Comment. Math. Univ. Carolinae 14 (1973), 27-46]. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 15 (1974), issue 2, pp. 377-378
• Petry, Walter: Nonlinear operator equations and boundary-value problems. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 15 (1974), issue 3, pp. 451-463
• Petry, Walter: Existence theorems for operator equations and nonlinear elliptic boundary-value problems. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 14 (1973), issue 1, pp. 27-46
• Petry, Walter: Nonlinear eigenvalue problems. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 14 (1973), issue 1, pp. 113-126
• Petry, Walter: On the iterative construction of a solution of nonlinear elliptic boundary value problems. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 13 (1972), issue 3, pp. 479-492