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@article{TUW-111751,
    author = {Heitzinger, Clemens and Ringhofer, Ch. and Selberherr, Siegfried},
    title = {{F}inite {D}ifference {S}olutions of the {N}onlinear {S}chr{\"o}dinger {E}quation and their {C}onservation of {P}hysical {Q}uantities},
    journal = {{C}ommunications in {M}athematical {S}ciences},
    year = {2007},
    volume = {5},
    number = {4},
    pages = {779--788},
    url = {http://www.iue.tuwien.ac.at/pdf/ib_2007/JB2007_Heitzinger_1.pdf},
    doi = {10.4310/CMS.2007.v5.n4.a2}
}