@article{NANO_2018_9_2_a5,
     author = {W. Florek},
     title = {The {Lieb{\textendash}Mattis} theorem revisited},
     journal = {Nanosistemy: fizika, himi\^a, matematika},
     pages = {196--205},
     year = {2018},
     volume = {9},
     number = {2},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/NANO_2018_9_2_a5/}
}