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@article{MAN_1973__201_162387, author = {B. Simon}, title = {Essential {Self-Adjointness} of {Schr\"odinger} {Operators} with {Positive} {Potentials.}}, journal = {Mathematische Annalen}, pages = {211--220}, publisher = {mathdoc}, volume = {201}, year = {1973}, zbl = {0234.47027}, url = {http://geodesic.mathdoc.fr/item/MAN_1973__201_162387/} }
B. Simon. Essential Self-Adjointness of Schrödinger Operators with Positive Potentials.. Mathematische Annalen, Tome 201 (1973), pp. 211-220. http://geodesic.mathdoc.fr/item/MAN_1973__201_162387/