TY  - BOOK
AU  - Nemytskii, V. V. and Stepanov, V. V.
AU  - Stepanov, V. V. ; jt. auth.
TI  - Quantitative theory of differential equations
T2  - Princeton Mathematical series
U1  - 515.35 
PY  - 1960///
CY  - New Jersey
PB  - Princeton University Press
ER  -