@article{MZM_2010_87_1_a9,
     author = {D. I. Moldavanskii},
     title = {The {Intersection} of the {Subgroups} of {Finite} {Index} in {Baumslag--Solitar} {Groups}},
     journal = {Matemati\v{c}eskie zametki},
     pages = {92--100},
     publisher = {mathdoc},
     volume = {87},
     number = {1},
     year = {2010},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_2010_87_1_a9/}
}