TY - JOUR AU - Krylová, Naděžda TI - Periodic solutions of hyperbolic partial differential equation with quadratic dissipative term JO - Czechoslovak Mathematical Journal PY - 1970 SP - 375 EP - 405 VL - 20 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1970.100974/ DO - 10.21136/CMJ.1970.100974 LA - en ID - 10_21136_CMJ_1970_100974 ER -