@article{TMF_1987_71_2_a4,
     author = {A. A. Zheltukhin},
     title = {Para-grassmann extension of the {Neveu{\textendash}Schwarz{\textendash}Ramond} algebra},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {218--225},
     year = {1987},
     volume = {71},
     number = {2},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TMF_1987_71_2_a4/}
}