de Werra, D.2006-08-162006-08-162006-08-16200310.1016/S0024-3795(02)00691-2https://infoscience.epfl.ch/handle/20.500.14299/233064WOS:0001836650000203840Partitioning the edge set of a bipartite graph into chain packings: complexity of some variationstext::journal::journal article::research article