TY - JOUR AU - Ninčák, Ján TI - On a conjecture by Nash-Williams JO - Commentationes Mathematicae Universitatis Carolinae PY - 1973 SP - 135 EP - 138 VL - 14 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/CMUC_1973__14_1_a12/ LA - en ID - CMUC_1973__14_1_a12 ER -