@article{FAA_1982_16_1_a21,
     author = {A. A. Tsyl'ke},
     title = {Perfect elements of free modular lattices},
     journal = {Funkcionalʹnyj analiz i ego prilo\v{z}eni\^a},
     pages = {87--88},
     publisher = {mathdoc},
     volume = {16},
     number = {1},
     year = {1982},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/FAA_1982_16_1_a21/}
}