@article{TAC_2018_33_a32, author = {J. R. A. Gray and N. Martins-Ferreira}, title = {New exactness conditions involving split cubes in protomodular categories}, journal = {Theory and applications of categories}, pages = {1031--1058}, publisher = {mathdoc}, volume = {33}, year = {2018}, language = {en}, url = {http://geodesic.mathdoc.fr/item/TAC_2018_33_a32/} }