@article{AA_2017_29_6_a7,
     author = {A. V. Smirnov},
     title = {Four-dimensional graph-manifolds with fundamental groups quasi-isometric to fundamental groups of orthogonal graph-manifolds},
     journal = {Algebra i analiz},
     pages = {230--247},
     publisher = {mathdoc},
     volume = {29},
     number = {6},
     year = {2017},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/AA_2017_29_6_a7/}
}