TY - JOUR AU - Ligęza, Jan TI - Applications of the smooth integral in the theory of weak solutions of ordinary differential equations JO - Časopis pro pěstování matematiky PY - 1989 SP - 113 EP - 132 VL - 114 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.21136/CPM.1989.108710/ DO - 10.21136/CPM.1989.108710 LA - en ID - 10_21136_CPM_1989_108710 ER -