TY - JOUR AU - R. Brak AU - J. W. Essam TI - Bicoloured Dyck paths and the contact polynomial for \(n\) non-intersecting paths in a half-plane lattice JO - The electronic journal of combinatorics PY - 2003 VL - 10 UR - http://geodesic.mathdoc.fr/articles/10.37236/1728/ DO - 10.37236/1728 ID - 10_37236_1728 ER -