Itogi Nauki i Tekhniki. Seriya "Sovremennye Problemy Matematiki. Noveishie Dostizheniya": Latest issue http://www.mathnet.ru/eng/intd 1992, Volume 40 en-gb Copyright 2026, VINITI Mon, 18 Aug 2008 00:00:00 +0400 math-net2026_09@mi-ras.ru tche@mi-ras.ru Variational principles for nonpotential operators V. M. Filippov, V. M. Savchin, S. G. Shorokhov Itogi Nauki i Tekhniki. Ser. Sovrem. Probl. Mat. Nov. Dostizh., 1992, 40, 3--176 http://mi.mathnet.ru/eng/intd131 Mon, 18 Aug 2008 00:00:00 +0400 Mon, 18 Aug 2008 00:00:00 +0400 http://mi.mathnet.ru/eng/intd131