[1] ACHARYA B. D.: Packing paгtitions and the packing numbeг of a gгaph. to appeaг.

[2] BEHZAD M.: The total chromatic number of a gгaph: a survey, In: Combinatorial Mathematics and its Applications. Academic Press, London 1971, 1-8. MR 0277430

[3] BERGE, C: Graphes et hypergгaphes. Dunod, Paris 1970. MR 0357173

[4] BOGUSZAK M., POLJAK S., TŮMA J.: A note on homomorpnism interpolation theoгems. to appeaг.

[5] BORIES F., JOLIVET J.-L.: On complete colourings of graphs. In: Recent Advances in Graph Theoгy, Pгoc. Symp. Prague, 1974. Academia, Prague 1975, 75-87. MR 0384589

[6] BOSÁK J.: Chromatic index of finite and infinite graphs. Czechoslovak Math. J. 22, 1972, 272-290. MR 0309777 | Zbl 0239.05113

[7] COCKAYNE E. J., MILLER G. G., PRINS G.: An inteгpolation theorem foг paгtitions which are complete with respect to hereditary properties. J. Combinatorial Theory Sect. B 13, 1972, 290-297. MR 0309743

[8] GELLER D., KRONK H.: Further results on the achromatic number. Fund. Math. 85, 1974, No. 3, 285-290. MR 0357198 | Zbl 0287.05119

[9] GUPTA R. P.: Bounds on the chromatic and achromatic numbers of complementary graphs. In: Recent Progress in Combinatorics, Proc. Third Waterloo Conf. on Combinatorics, 1968. Academic Press, New York 1969, 229-235. MR 0256930

[10] HARARY F.: Graph theory. Addison-Wesley, Reading, Massachusets 1969. MR 0256911 | Zbl 0196.27202

[11] HARARY F., HEDETNIEMI S.: The achromatic number of a graph. J. Combinatorial Theory 8, 1970, 154-161. MR 0253930 | Zbl 0195.25702

[12] HARARY, R, HEDETNIEMI S., PRINS G.: An interpolation theorem for graphical homomorphisms. Port. Math. 26, 1967, 453-462. MR 0272662 | Zbl 0187.20903

[13] ORE O.: The four-color problem. Academic Press, New York 1967. MR 0216979 | Zbl 0149.21101

[14] SHANNON C. E.: A theorem on coloring the lines of a network. J. Math, and Phys. 28, 1949, 148-151. MR 0030203 | Zbl 0032.43203

[15] TAYLOR W.: Combinatory interpolation theorem, to appear.

[16] ВИЗИНГ В. Г.: Хроматический класс мультиграфа. Кибернетика 1965, N° 3, 29-39. Zbl 1099.01519

[17] ЗЫКОВ А. А.: Теория конечных граов. Hayкa, Новосибиpck 1969. Zbl 1149.62317