TY - JOUR AU - Christopher R. H. Hanusa TI - A Gessel--Viennot-type method for cycle systems in a directed graph JO - The electronic journal of combinatorics PY - 2006 VL - 13 UR - http://geodesic.mathdoc.fr/articles/10.37236/1063/ DO - 10.37236/1063 ID - 10_37236_1063 ER -