TY - JOUR AU - A. A. Chilikov AU - I. Efremov AU - V. Zverik AU - N. Khomich TI - A Combinatorial Proof of Simplified Koll\'ar's Theorem on Pell's Equations JO - Matematičeskie zametki PY - 2020 SP - 796 EP - 800 VL - 107 IS - 5 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MZM_2020_107_5_a12/ LA - ru ID - MZM_2020_107_5_a12 ER -