@article{FPM_2002_8_4_a17,
     author = {A. R. Chekhlov},
     title = {On quasi-closed mixed groups},
     journal = {Fundamentalʹna\^a i prikladna\^a matematika},
     pages = {1215--1224},
     publisher = {mathdoc},
     volume = {8},
     number = {4},
     year = {2002},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/FPM_2002_8_4_a17/}
}