@article{TMF_2000_122_2_a12,
     author = {Yu. Song-Ju and K. Toda and T. Fukuyama},
     title = {A quest for the integrable equation in $3+1$ dimensions},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {305--309},
     year = {2000},
     volume = {122},
     number = {2},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TMF_2000_122_2_a12/}
}