TY - JOUR AU - Haščák, Alexander AU - Švec, Marko TI - Integral equivalence of two systems of differential equations JO - Czechoslovak Mathematical Journal PY - 1982 SP - 423 EP - 436 VL - 32 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1982.101819/ DO - 10.21136/CMJ.1982.101819 LA - en ID - 10_21136_CMJ_1982_101819 ER -