TY  - JOUR
AU  - I. A. Rudakov
TI  - A problem on free periodic vibrations of a~string with non-monotone non-linearity
JO  - Trudy Matematicheskogo Instituta imeni V.A. Steklova
PY  - 1985
SP  - 237
EP  - 238
VL  - 40
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/RM_1985_40_1_a22/
LA  - en
ID  - RM_1985_40_1_a22
ER  -