Workshop on Nonlinear Evolution Equations and Dynamical Systems (8th 1992 Dubna, Chekhovskiĭ raĭon, Russia), Vladimir G. Makhankov, Igor Puzynin, 1993 / 판 2개
Bielefeld Encounters in Mathematics and Physics (8th 1991 Center for Interdisciplinary Research, Bielefeld University), Philippe Blanchard, L. Streit, 1993 / 판 2개