TY - JOUR AU - Džurina, Jozef TI - Property (A) of $n$-th order ODE's JO - Mathematica Bohemica PY - 1997 SP - 349 EP - 356 VL - 122 IS - 4 PB - mathdoc UR - https://geodesic-test.mathdoc.fr/articles/10.21136/MB.1997.126218/ DO - 10.21136/MB.1997.126218 LA - en ID - 10_21136_MB_1997_126218 ER -