TY - BOOK AU - Yorke J A ed. ED - Seminar on Differential Equations and Dynamical Systems( 2nd : 1969 : Maryland ) ED - TI - Differential equations and dynamical systems: proceedings U1 - 515.35 PY - 1970/// CY - Berlin PB - Springer Verlag KW - Differential equations KW - Dynamical systems ER -