@article{10_2298_FIL2302457Z, author = {Mengmeng Zhou and Jianlong Chen and N\'estor Thome}, title = {New characterizations of weak group matrices}, journal = {Filomat}, pages = {457 }, year = {2023}, volume = {37}, number = {2}, doi = {10.2298/FIL2302457Z}, language = {en}, url = {http://geodesic.mathdoc.fr/articles/10.2298/FIL2302457Z/} }