@article{MM2_1992__76_1_155760,
     author = {Karl-Theodor Sturm},
     title = {Schr\"odinger operators with {Highly} {Singular,} {Oscillating} {Potentials.}},
     journal = {Manuscripta mathematica},
     pages = {367--396},
     publisher = {mathdoc},
     volume = {76},
     number = {1},
     year = {1992},
     zbl = {0767.35054},
     url = {http://geodesic.mathdoc.fr/item/MM2_1992__76_1_155760/}
}