TY - JOUR AU - Dłotko, Tadeusz TI - Some records on second order differential equations JO - Communications in Mathematics PY - 1995 SP - 21 EP - 26 VL - 03 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/COMIM_1995__3_1_a1/ LA - en ID - COMIM_1995__3_1_a1 ER -