@article{KUTGS_1997_23_a1,
     author = {A. V. Boyarshinova},
     title = {On the space of essential infinitesimal deformations of a manifold over the algebra of $k$-plural numbers},
     journal = {Trudy Geometricheskogo Seminara},
     pages = {7--21},
     publisher = {mathdoc},
     volume = {23},
     year = {1997},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/KUTGS_1997_23_a1/}
}