TY  - JOUR
AU  - Yu. S. Kolesov
TI  - Periodic solutions of relay systems with distributed parameters
JO  - Sbornik. Mathematics
PY  - 1970
SP  - 343
EP  - 367
VL  - 12
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/SM_1970_12_3_a1/
LA  - en
ID  - SM_1970_12_3_a1
ER  -