@article{SM_1998_189_8_a1,
     author = {V. V. Benyash-Krivets},
     title = {Decomposing one-relator products of cyclic groups into free products with amalgamation},
     journal = {Sbornik. Mathematics},
     pages = {1125--1137},
     year = {1998},
     volume = {189},
     number = {8},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SM_1998_189_8_a1/}
}