@article{AL_2006_45_5_a1,
     author = {S. A. Zyubin},
     title = {Conjugately dense subgroups of free products of groups with amalgamation},
     journal = {Algebra i logika},
     pages = {520--537},
     publisher = {mathdoc},
     volume = {45},
     number = {5},
     year = {2006},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/AL_2006_45_5_a1/}
}