TY - JOUR AU - D. D. Cherkashin TI - On the Erd{\H o}s--Hajnal problem in the case of $3$-graphs JO - Zapiski Nauchnykh Seminarov POMI PY - 2019 SP - 168 EP - 176 VL - 488 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/ZNSL_2019_488_a7/ LA - en ID - ZNSL_2019_488_a7 ER -