TY  - JOUR
AU  - N. P. Erugin
TI  - Revisions in Section~5, Chapter~XIII of A~reader for a general course in differential equations
JO  - Differencialʹnye uravneniâ
PY  - 1979
SP  - 1894
EP  - 1897
VL  - 15
IS  - 10
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_1979_15_10_a17/
LA  - ru
ID  - DE_1979_15_10_a17
ER  -