@article{RSMUP_1997__97__211_0,
     author = {Tabata, Minoru and Eshima, Nobuoki},
     title = {The spectrum of the transport operator with a potential term under the spatial periodicity condition},
     journal = {Rendiconti del Seminario Matematico della Universit\`a di Padova},
     pages = {211--233},
     publisher = {Seminario Matematico of the University of Padua},
     volume = {97},
     year = {1997},
     mrnumber = {1476172},
     zbl = {0887.45004},
     language = {en},
     url = {http://archive.numdam.org/item/RSMUP_1997__97__211_0/}
}