00322nam a2200121Ia 450000500170000000800410001702000150005805000160007310000140008924500420010326000350014565000200018020251229190731.0251229s9999    xx            000 0 und d  a0792322924  aQA 927 .S54  aShen, S S 2aA course on nonlinear wavescS S Shen  aLondonb Kluwer Academicc1993  aNonlinear Waves