@article{DVMG_2016_16_2_a5,
     author = {A. A. Illarionov},
     title = {Solutions of a functional equation concerning with trilinear differential operators},
     journal = {Dalʹnevosto\v{c}nyj matemati\v{c}eskij \v{z}urnal},
     pages = {169--180},
     publisher = {mathdoc},
     volume = {16},
     number = {2},
     year = {2016},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DVMG_2016_16_2_a5/}
}