TY - DATA AU - Peter E. Zhidkov TI - Korteweg-de Vries and Nonlinear Schrödinger Equations: Qualitative Theory T2 - Lecture Notes in Mathematics SN - 9783540452768 PY - 2001/// CY - Heidelberg PB - Springer Berlin KW - Mathematics and Statistics UR - https://doi.org/10.1007/3-540-45276-1 ER -