@article{AL_2013_52_1_a4,
     author = {F. A. Dudkin},
     title = {The abstract commensurator of {Baumslag--Solitar} groups},
     journal = {Algebra i logika},
     pages = {64--83},
     publisher = {mathdoc},
     volume = {52},
     number = {1},
     year = {2013},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/AL_2013_52_1_a4/}
}