@article{JRAM_1995__467_153761,
     author = {J. Weidmann and G. Stolz and D. Buschmann},
     title = {One-dimensional {Schr\"odinger} operators with local point interactions.},
     journal = {Journal f\"ur die reine und angewandte Mathematik},
     pages = {169--186},
     publisher = {mathdoc},
     volume = {467},
     year = {1995},
     zbl = {0833.34082},
     url = {http://geodesic.mathdoc.fr/item/JRAM_1995__467_153761/}
}