Gasiński, L., & Papageorgiou, N. S. (2005). Nonsmooth critical point theory and nonlinear boundary value problems. Boca Raton: Chapman & Hall/CRC.
Chicago Stili AlıntıGasiński, Leszek., ve Nikolaos Socrates Papageorgiou. Nonsmooth Critical Point Theory and Nonlinear Boundary Value Problems. Boca Raton: Chapman & Hall/CRC, 2005.
MLA AlıntıGasiński, Leszek., ve Nikolaos Socrates Papageorgiou. Nonsmooth Critical Point Theory and Nonlinear Boundary Value Problems. Boca Raton: Chapman & Hall/CRC, 2005.
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