@article{RSMUP_1997__97__135_0,
     author = {Sankaranarayanan, A. and Srinivas, K.},
     title = {On a method of {Balasubramanian} and {Ramachandra} (on the abelian group problem)},
     journal = {Rendiconti del Seminario Matematico della Universit\`a di Padova},
     pages = {135--161},
     publisher = {Seminario Matematico of the University of Padua},
     volume = {97},
     year = {1997},
     mrnumber = {1476168},
     zbl = {0884.11040},
     language = {en},
     url = {http://www.numdam.org/item/RSMUP_1997__97__135_0/}
}