TY - BOOK AU - Zakharov,Vladimir Evgenévich AU - Calogero,F. TI - What is integrability? AV - QC20.7.D5 W43 1990 U1 - 530.1/55353 20 PY - 1991/// CY - Berlin PB - Springer-Verlag KW - Differential equations, Partial KW - Numerical solutions KW - Hamiltonian systems KW - Nonlinear theories KW - Mathematical physics N1 - Includes bibliographical references and index ER -