TY - BOOK AU - Novikov I. S. TI - Integrable systems SN - 9.78E+12 U1 - 515.355 PY - 2009/// CY - New York PB - CUP KW - Differential equations, Nonlinear UR - http://ebooks.cambridge.org/ebook.jsf?bid=CBO9780511600784 ER -