TY  - JOUR
AU  - Yu. V. Churin
TI  - On the change in the number of discontinuity points of singular periodic solutions
JO  - Differencialʹnye uravneniâ
PY  - 1997
SP  - 385
EP  - 389
VL  - 33
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_1997_33_3_a14/
LA  - ru
ID  - DE_1997_33_3_a14
ER  -