TY - JOUR AU - D. Yu. Grigor'ev TI - Problem of path connections in graphs JO - Zapiski Nauchnykh Seminarov POMI PY - 1977 SP - 26 EP - 29 VL - 68 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/ZNSL_1977_68_a2/ LA - ru ID - ZNSL_1977_68_a2 ER -