@article{MZ_1984__188_173521,
     author = {Narain Gupta},
     title = {Recursively {Presented} {Two} {Generated} {Infinite} {p-Groups.}},
     journal = {Mathematische Zeitschrift},
     pages = {89--90},
     publisher = {mathdoc},
     volume = {188},
     year = {1984},
     zbl = {0553.20015},
     url = {http://geodesic.mathdoc.fr/item/MZ_1984__188_173521/}
}