TY - JOUR AU - Barták, Jaroslav TI - Lyapunov stability and stability at constantly acting disturbances of an abstract differential equation of the second order JO - Czechoslovak Mathematical Journal PY - 1976 SP - 411 EP - 437 VL - 26 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1976.101416/ DO - 10.21136/CMJ.1976.101416 LA - en ID - 10_21136_CMJ_1976_101416 ER -