@article{JMAG_2013_9_2_a6,
     author = {S. M. Tashpulatov},
     title = {Spectrum of {Two-Magnon} {non-Heisenberg} {Ferromagnetic} {Model} of {Arbitrary} {Spin} with {Impurity}},
     journal = {\v{Z}urnal matemati\v{c}eskoj fiziki, analiza, geometrii},
     pages = {239--265},
     year = {2013},
     volume = {9},
     number = {2},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/JMAG_2013_9_2_a6/}
}