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Nonlinear differential equations. (Nelinearni diferencialni rovnice). (Czech) Zbl 0474.35001
Teoreticka Kniznice Inzenyra. Praha: SNTL - Nakladatelstvi Technicke Literatury. 344 p. Kcs. 48.00 (1978).

35-01 Introductory exposition (textbooks, tutorial papers, etc.) pertaining to partial differential equations
35A15 Variational methods applied to PDEs
35J65 Nonlinear boundary value problems for linear elliptic equations
49J40 Variational inequalities
35A25 Other special methods applied to PDEs
35J30 Higher-order elliptic equations