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MR 0269962
[2] F. E. BROWDER, BUI AN TON:
Nonlinear functional equations in Banach spaces and elliptic superregularization. Math. Zeitschr. 105 (1968), 177-195.
MR 0232256
[3] BUI AN TON:
Pseudo-monotone operators in Banach spaces and nonlinear elliptic equations. Math. Zeitschr. 121 (1971), 243-252.
MR 0293466
[4] P. HESS:
A strongly nonlinear elliptic boundary value problem. J. Math. Anal. Appl. 43 (1973), 241-249.
MR 0318670 |
Zbl 0267.35039
[5] A. KRATOCHVÍL:
Les méthodes approximatives de la solution des équations elliptiques non linéaires. Comment. Math. Univ. Carolinae 9 (1968), 455-510.
MR 0240646
[6] W. PETRY:
Existence theorems for operator equations and nonlinear elliptic boundary-value problems. Comment. Math. Univ. Carolinae 14 (1973), 27-46. Correction: Comment. Math. Univ. Carolinae 15 (1974), 377-378.
MR 0320830 |
Zbl 0255.35040