TY - JOUR AU - A. P. Zolotarev TI - Helly and Radon numbers in distributive lattices and in lattices with pseudocomplements JO - Izvestiâ vysših učebnyh zavedenij. Matematika PY - 1990 SP - 41 EP - 47 IS - 5 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/IVM_1990_5_a5/ LA - ru ID - IVM_1990_5_a5 ER -