@article{AL_2014_53_1_a3,
     author = {V. A. Roman'kov and N. G. Khisamiev},
     title = {Existentially closed subgroups of free nilpotent groups},
     journal = {Algebra i logika},
     pages = {45--59},
     publisher = {mathdoc},
     volume = {53},
     number = {1},
     year = {2014},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/AL_2014_53_1_a3/}
}