@article{TMF_2009_158_2_a0,
     author = {S. Bouarroudj},
     title = {Ternary invariant differential operators acting on spaces of weighted
},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {165--180},
     publisher = {mathdoc},
     volume = {158},
     number = {2},
     year = {2009},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TMF_2009_158_2_a0/}
}