@article{AL_2014_53_2_a1,
     author = {S. G. Afanas'eva and N. S. Romanovskii},
     title = {Rigid metabelian pro-$p$-groups},
     journal = {Algebra i logika},
     pages = {162--177},
     publisher = {mathdoc},
     volume = {53},
     number = {2},
     year = {2014},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/AL_2014_53_2_a1/}
}