TY - JOUR AU - Ligęza, Jan TI - The existence and the uniqueness of distributional solutions of some systems of non-linear differential equations JO - Časopis pro pěstování matematiky PY - 1977 SP - 30 EP - 36 VL - 102 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.21136/CPM.1977.117943/ DO - 10.21136/CPM.1977.117943 LA - en ID - 10_21136_CPM_1977_117943 ER -