Sapio, R. de. "Differential Structures on a Product of Spheres.." Commentarii mathematici Helvetici 44 (1969): 61-69. <http://eudml.org/doc/139381>.
@article{Sapio1969, author = {Sapio, R. de}, journal = {Commentarii mathematici Helvetici}, keywords = {topology}, pages = {61-69}, title = {Differential Structures on a Product of Spheres.}, url = {http://eudml.org/doc/139381}, volume = {44}, year = {1969}, }
TY - JOUR AU - Sapio, R. de TI - Differential Structures on a Product of Spheres. JO - Commentarii mathematici Helvetici PY - 1969 VL - 44 SP - 61 EP - 69 KW - topology UR - http://eudml.org/doc/139381 ER -