TY - JOUR AU - V. N. Sorokin TI - Cyclic graphs and Ap\'ery's theorem JO - Trudy Matematicheskogo Instituta imeni V.A. Steklova PY - 2002 SP - 535 EP - 571 VL - 57 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/RM_2002_57_3_a2/ LA - en ID - RM_2002_57_3_a2 ER -