(2005). Nonsmooth critical point theory and nonlinear boundary value problems / Leszek Gasiński, Nikolaos S. Papageorgiou.
Chicago-čujuhus (17. p.)Nonsmooth Critical Point Theory and Nonlinear Boundary Value Problems / Leszek Gasiński, Nikolaos S. Papageorgiou. 2005.
MLA-čujuhus (9. p.)Nonsmooth Critical Point Theory and Nonlinear Boundary Value Problems / Leszek Gasiński, Nikolaos S. Papageorgiou. 2005.
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