@article{LJM_2007__26_230885,
     author = {Matvejchuk, Marjan Stepanovich and Ionova, Anna Mikhailovna},
     title = {Positive projections as generators of -projections of type {(B).}},
     journal = {Lobachevskii Journal of Mathematics},
     pages = {91},
     publisher = {mathdoc},
     volume = {26},
     year = {2007},
     zbl = {1151.46014},
     language = {en},
     url = {https://geodesic-test.mathdoc.fr/item/LJM_2007__26_230885/}
}