@article{KUTGS_1978_10_a7,
     author = {A. \`E. Sattarov},
     title = {Invariant form of the second variation in the metric space of support vector densities},
     journal = {Trudy Geometricheskogo Seminara},
     pages = {78--85},
     publisher = {mathdoc},
     volume = {10},
     year = {1978},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/KUTGS_1978_10_a7/}
}