TY - JOUR AU - Regenda, Ján TI - On the oscillation of solutions of a class of linear fourth order differential equations JO - Czechoslovak Mathematical Journal PY - 1983 SP - 141 EP - 148 VL - 33 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1983.101865/ DO - 10.21136/CMJ.1983.101865 LA - en ID - 10_21136_CMJ_1983_101865 ER -