TY - JOUR A1 - Makai, M. A1 - Pap, G. A1 - Szabó, Jácint T1 - Matching problems in polymatroids without double circuits JF - Integer Programming and Combinatorial Optimization Y1 - 2007 SP - 167 EP - 181 PB - Springer ER - TY - JOUR A1 - Makai, M. A1 - Szabó, Jácint T1 - The parity problem of polymatroids without double circuits JF - Combinatorica Y1 - 2008 VL - 28 IS - 6 SP - 679 EP - 692 PB - Springer ER -