@article{MZM_1996_60_6_a17,
     author = {J. Kupsch and O. G. Smolyanov},
     title = {Models of the symmetric {Fock} algebra},
     journal = {Matemati\v{c}eskie zametki},
     pages = {939--942},
     publisher = {mathdoc},
     volume = {60},
     number = {6},
     year = {1996},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_1996_60_6_a17/}
}