@article{GDZPPN001262491, title = {Point interactions in Lp .}, journal = {Semigroup forum}, volume = {46}, year = {1993}, pages = {253-265}, url = {http://dml.mathdoc.fr/item/GDZPPN001262491} }
Gaspers, W.; Clément, P. Point interactions in Lp .. Semigroup forum, Tome 46 (1993) pp. 253-265. http://gdmltest.u-ga.fr/item/GDZPPN001262491/