TY - JOUR AU - Mateva, Zlatka TI - Constructing a Canonical form of a Matrix in Several Problems about Combinatorial Designs JO - Serdica Journal of Computing PY - 2008 SP - 349 EP - 368 VL - 2 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/SJC_2008_2_4_a3/ LA - en ID - SJC_2008_2_4_a3 ER -