@article{VMUMM_1997_2_a12,
     author = {D. V. Zhdanovich},
     title = {Orthogonal expansion of the category of representations of two projectors},
     journal = {Vestnik Moskovskogo universiteta. Matematika, mehanika},
     pages = {51--53},
     publisher = {mathdoc},
     number = {2},
     year = {1997},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VMUMM_1997_2_a12/}
}