@article{AUCMP_1977__18_1_a1,
     author = {Blank, J. and Exner, P.},
     title = {Remarks on tensor proucts and their applications in quantum theory - {II.} {Spectral} properties},
     journal = {Acta Universitatis Carolinae. Mathematica et Physica},
     pages = {3--35},
     publisher = {mathdoc},
     volume = {18},
     number = {1},
     year = {1977},
     mrnumber = {0434220},
     zbl = {0397.46067},
     language = {en},
     url = {https://geodesic-test.mathdoc.fr/item/AUCMP_1977__18_1_a1/}
}