TY - JOUR AU - Tryhuk, Václav TI - On transformations $z(t)=y(\varphi(t))$ of ordinary differential equations JO - Czechoslovak Mathematical Journal PY - 2000 SP - 509 EP - 518 VL - 50 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/CMJ_2000__50_3_a4/ LA - en ID - CMJ_2000__50_3_a4 ER -