TY  - JOUR
AU  - E. V. Ustilko
AU  - F. E. Lomovtsev
TI  - Matching conditions for values of characteristic oblique derivative at the end of a string, initial data and right-hand side of the wave equation
JO  - Journal of the Belarusian State University. Mathematics and Informatics
PY  - 2020
SP  - 30
EP  - 37
VL  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/BGUMI_2020_1_a3/
LA  - ru
ID  - BGUMI_2020_1_a3
ER  -