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@article{MASLO_2000__50_4_a4, author = {Pe\v{s}ka, Petr}, title = {The {Moore-Penrose} inverse of a partitioned morphism in an additive category}, journal = {Mathematica slovaca}, pages = {437--452}, publisher = {mathdoc}, volume = {50}, number = {4}, year = {2000}, mrnumber = {1857299}, zbl = {0989.18007}, language = {en}, url = {http://geodesic.mathdoc.fr/item/MASLO_2000__50_4_a4/} }
Peška, Petr. The Moore-Penrose inverse of a partitioned morphism in an additive category. Mathematica slovaca, Tome 50 (2000) no. 4, pp. 437-452. http://geodesic.mathdoc.fr/item/MASLO_2000__50_4_a4/