TY - BOOK AU - Nemytskii, Viktor V. AU - Stepanov, V. V. TI - QUALITATIVE THEORY OF DIFFERENTIAL EQUATIONS U1 - 517.38 PY - 1960/// CY - Princeton, N. J. PB - Princeton University Press KW - Differential Equations KW - Dynamics N1 - Translation Of Kachestvennaia Teoriia Differentsial'Nyky Uravnenii, Izd. 2., Perep. I Dop. 1949 ER -