@article{DAN_1996_351_5_a5,
     author = {Yu. N. Pavlovsky},
     title = {On $P$- and $F$-decompositions of $\Sigma$-objects},
     journal = {Doklady Akademii Nauk},
     pages = {603--605},
     year = {1996},
     volume = {351},
     number = {5},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1996_351_5_a5/}
}