TY - BOOK AU - Lazutkin,V.F. TI - KAM theory and semiclassical approximations to eigenfunctions SN - 0387533893 (New York : acidfree) AV - QA614.83 .L39 1993 U1 - 514/.74 20 PY - 1993/// CY - Berlin, New York PB - Springer-Verlag KW - Hamiltonian systems KW - Eigenfunctions KW - Asymptotic distribution (Probability theory) KW - Schrödinger operator N1 - Includes bibliographical references (p. [375]-380) and index ER -