@article{RSMUP_1965__35_2_245_0,
     author = {Sen, Rabindranath},
     title = {On the approximate solutions of linear equations in the $l_2$-space},
     journal = {Rendiconti del Seminario Matematico della Universit\`a di Padova},
     pages = {245--252},
     publisher = {Seminario Matematico of the University of Padua},
     volume = {35},
     number = {2},
     year = {1965},
     mrnumber = {220437},
     zbl = {0136.11904},
     language = {en},
     url = {http://archive.numdam.org/item/RSMUP_1965__35_2_245_0/}
}