@article{MZM_1999_66_6_a12,
     author = {Yu. G. Shondin},
     title = {Singular point perturbations of an odd operator in a $\mathbb Z_2$-graded space},
     journal = {Matemati\v{c}eskie zametki},
     pages = {924--940},
     publisher = {mathdoc},
     volume = {66},
     number = {6},
     year = {1999},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_1999_66_6_a12/}
}