01035nam0-22003731i-450-99000058610040332120130226111607.0000058610FED01000058610(Aleph)000058610FED0100005861020130226d1972----km-y0itay50------baengUSy-------001yyQualitative theory of differential equationsby V.V. Nemytskii and V.V. Stepanov3. ed.Princeton [N.J]Princeton University Press1972VIII, 522 p.ill.23 cmGeometriaMetodi numericiMatematica pura e applicataAlgebra515Nemyckij,Viktor VladimirovicStepanov,Vjaceslav VasilevicITUNINARICAUNIMARCBK99000058610040332107 H-221DINSC04 012-48IRC 836/LDINCHDINSCDINCHUNINA