@article{MZ_1981__176_183666,
     author = {Herbert Leinfelder and C.G. Simader},
     title = {Schr\"odingers {Operators} with {Singular} {Magnetic} {Vector} {Potentials.}},
     journal = {Mathematische Zeitschrift},
     pages = {1--19},
     publisher = {mathdoc},
     volume = {176},
     year = {1981},
     zbl = {0468.35038},
     url = {http://geodesic.mathdoc.fr/item/MZ_1981__176_183666/}
}