TY - JOUR AU - Daniel Král TI - On feasible sets of mixed hypergraphs JO - The electronic journal of combinatorics PY - 2004 VL - 11 IS - 1 UR - http://geodesic.mathdoc.fr/articles/10.37236/1772/ DO - 10.37236/1772 ID - 10_37236_1772 ER -