@article{ELA_2011__22__a3,
     author = {Tosic, Marina and Cvetkovic-Ilic, Dragana S. and Deng, Chunyuan},
     title = {The {Moore-Penrose} inverse of a linear combination of commuting generalized and hypergeneralized projectors},
     journal = {The electronic journal of linear algebra},
     pages = {1129--1137},
     publisher = {mathdoc},
     volume = {22},
     year = {2011},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/ELA_2011__22__a3/}
}