@article{MZM_2017_102_1_a7,
     author = {V. L. Popov},
     title = {Borel {Subgroups} of {Cremona} {Groups}},
     journal = {Matemati\v{c}eskie zametki},
     pages = {72--80},
     publisher = {mathdoc},
     volume = {102},
     number = {1},
     year = {2017},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_2017_102_1_a7/}
}