@article{AL_2012_51_5_a4,
     author = {V. A. Roman'kov},
     title = {The local structure of groups of triangular automorphisms of relatively free algebras},
     journal = {Algebra i logika},
     pages = {638--651},
     publisher = {mathdoc},
     volume = {51},
     number = {5},
     year = {2012},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/AL_2012_51_5_a4/}
}