@article{RM_2003_58_4_a11, author = {O. R. Musin}, title = {The problem of the twenty-five spheres}, journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova}, pages = {794--795}, publisher = {mathdoc}, volume = {58}, number = {4}, year = {2003}, language = {en}, url = {http://geodesic.mathdoc.fr/item/RM_2003_58_4_a11/} }