00396nam a2200133Ia 4500082002100000100008400021245006400105260003400169300000600203440003700209500000500246653000600251700000500257  a515.35bSe471.DE  aSeminar on Differential Equations and Dynamical, Systems, Maryland, August 1967  aDifferential equations and dynamical systems; proceedingsb  aBerlinbSpringer-Verlagc1968  a   aLecture notes in Mathematicsv60  a  a   a