@article{TAC_2013_28_a28,
     author = {Tomas Everaert and Julia Goedecke and Tamar Janelidze-Gray and Tim Van der Linden},
     title = {Relative {Mal'tsev} categories},
     journal = {Theory and applications of categories},
     pages = {1002--1021},
     publisher = {mathdoc},
     volume = {28},
     year = {2013},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/TAC_2013_28_a28/}
}