@article{NAM_1907_4_7__145_0,
     author = {Lalesco, T.},
     title = {Sur la composition des formes quadratiques},
     journal = {Nouvelles annales de math\'ematiques : journal des candidats aux \'ecoles polytechnique et normale},
     pages = {145--150},
     publisher = {Carilian-Goeury et Vor Dalmont},
     volume = {4e s{\'e}rie, 7},
     year = {1907},
     language = {fr},
     url = {http://www.numdam.org/item/NAM_1907_4_7__145_0/}
}