@article{TMF_1990_84_1_a1,
     author = {V. D. Ivashchuk},
     title = {Invertibility of~elements in~infinite-dimensional {Grassmann{\textendash}Banach} algebras},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {13--22},
     year = {1990},
     volume = {84},
     number = {1},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TMF_1990_84_1_a1/}
}