@article{1195515976, author = {Hara, Masaru}, title = {The corona problem on $2$-sheeted disks}, journal = {Proc. Japan Acad. Ser. A Math. Sci.}, volume = {58}, number = {5}, year = {1982}, pages = { 256-257}, language = {en}, url = {http://dml.mathdoc.fr/item/1195515976} }
Hara, Masaru. The corona problem on $2$-sheeted disks. Proc. Japan Acad. Ser. A Math. Sci., Tome 58 (1982) no. 5, pp. 256-257. http://gdmltest.u-ga.fr/item/1195515976/