@article{TMF_1985_63_2_a6,
     author = {E. A. Ivanov and S. O. Krivonos},
     title = {$N=4$ superextension of the {Liouville} equation with quaternion structure},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {230--243},
     year = {1985},
     volume = {63},
     number = {2},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TMF_1985_63_2_a6/}
}