TY  - JOUR
AU  - E. V. Trifonov
TI  - Families of exact solutions for linear and nonlinear wave equations with a~variable speed of sound and their use in solving initial boundary value problems
JO  - Teoretičeskaâ i matematičeskaâ fizika
PY  - 2017
SP  - 41
EP  - 50
VL  - 192
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/TMF_2017_192_1_a2/
LA  - ru
ID  - TMF_2017_192_1_a2
ER  -