TY - JOUR AU - Ĺ eda, Valter TI - Antitone operators and ordinary differential equations JO - Czechoslovak Mathematical Journal PY - 1981 SP - 531 EP - 553 VL - 31 IS - 4 PB - mathdoc UR - https://geodesic-test.mathdoc.fr/articles/10.21136/CMJ.1981.101772/ DO - 10.21136/CMJ.1981.101772 LA - en ID - 10_21136_CMJ_1981_101772 ER -