@article{1200691078, author = {Yanagawa, Takaaki}, title = {Brunnian systems of 2-spheres in 4-space}, journal = {Osaka J. Math.}, volume = {1}, number = {1}, year = {1964}, pages = { 127-132}, language = {en}, url = {http://dml.mathdoc.fr/item/1200691078} }
Yanagawa, Takaaki. Brunnian systems of 2-spheres in 4-space. Osaka J. Math., Tome 1 (1964) no. 1, pp. 127-132. http://gdmltest.u-ga.fr/item/1200691078/