TY - JOUR AU - Kalas, Josef TI - Nonuniqueness results for ordinary differential equations JO - Czechoslovak Mathematical Journal PY - 1998 SP - 373 EP - 384 VL - 48 IS - 2 PB - mathdoc UR - https://geodesic-test.mathdoc.fr/item/CMJ_1998__48_2_a13/ LA - en ID - CMJ_1998__48_2_a13 ER -