@article{MZ_1973__133_171955,
     author = {Hubert Kalf},
     title = {Self-Adjointness for {Strongly} {Singular} {Potentials} with a - |x|2 {Fall-Off} at {Infinity.}},
     journal = {Mathematische Zeitschrift},
     pages = {249--256},
     publisher = {mathdoc},
     volume = {133},
     year = {1973},
     zbl = {0266.35018},
     url = {http://geodesic.mathdoc.fr/item/MZ_1973__133_171955/}
}