@article{ZVMMF_1995_35_10_a9,
     author = {D. A. Cherepnin},
     title = {Order and equivalence relations for functional signatures that are used in image processing and pattern recognition},
     journal = {\v{Z}urnal vy\v{c}islitelʹnoj matematiki i matemati\v{c}eskoj fiziki},
     pages = {1591--1599},
     year = {1995},
     volume = {35},
     number = {10},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZVMMF_1995_35_10_a9/}
}