00986nam a22002773 4500 6833 UkOxU 20211208234325.0 901112s1960 nju 001 0 eng d 0486659542 BD-RjUL eng BD-RjUL eng rus 515.35 20 NEQ 1960 Nemytskiĭ, V. V. (Viktor Vladimirovich), 1900- 21471 Qualitative theory of differential equations / by V.V. Nemytskii and V.V. Stepanov ; [translated by Solomon Lefshetz] Princeton : Princeton University Press, 1960 viii, 523 p. ; 24 cm Princeton mathematical series ; 22 Differential equations 21472 22 21473 Stepanov, V. V. (Vi͡acheslav Viktorovich), 1889-1950. 21474 Princeton mathematical series ; 21475 ddc BK 6833 6833 0 0 ddc 0 1 NFIC RUCL RUCL reading 1963-03-11 Zeitlinger 87.00 0 515.35 NEQ 1960 2014-01-12 00:00:00 C-1 2014-01-12 BK