TY - JOUR AU - Chrastina, Jan TI - A note on the criteria of uniqueness of the solution of equation $y'=f(x,y)$ JO - Archivum mathematicum PY - 1969 SP - 75 EP - 77 VL - 5 IS - 2 UR - http://geodesic.mathdoc.fr/item/ARM_1969_5_2_a1/ LA - en ID - ARM_1969_5_2_a1 ER -