@article{TMF_2007_150_1_a0,
     author = {I. Ya. Aref'eva and R. V. Gorbachev and P. B. Medvedev and D. V. Rychkov},
     title = {Descent relations and the~oscillator level-truncation method},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {5--25},
     publisher = {mathdoc},
     volume = {150},
     number = {1},
     year = {2007},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TMF_2007_150_1_a0/}
}