TY - JOUR AU - Čadek, Martin TI - Form of general pointwise transformations of linear differential equations JO - Czechoslovak Mathematical Journal PY - 1985 SP - 617 EP - 624 VL - 35 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1985.102052/ DO - 10.21136/CMJ.1985.102052 LA - en ID - 10_21136_CMJ_1985_102052 ER -