@article{1104161424, author = {Gesztesy, F. and Simon, B.}, title = {On a theorem of Deift and Hempel}, journal = {Comm. Math. Phys.}, volume = {113}, number = {4}, year = {1988}, pages = { 503-505}, language = {en}, url = {http://dml.mathdoc.fr/item/1104161424} }
Gesztesy, F.; Simon, B. On a theorem of Deift and Hempel. Comm. Math. Phys., Tome 113 (1988) no. 4, pp. 503-505. http://gdmltest.u-ga.fr/item/1104161424/