TY - JOUR AU - Jankowski, Tadeusz TI - Differential Equations in Abstract Cones JO - Serdica Mathematical Journal PY - 2000 SP - 229 EP - 244 VL - 26 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/SMJ2_2000_26_3_a3/ LA - en ID - SMJ2_2000_26_3_a3 ER -