@article{FPM_2009_15_7_a5,
     author = {E. V. Ovchinnikova},
     title = {On homogeneous extensions of finite predicate systems},
     journal = {Fundamentalʹna\^a i prikladna\^a matematika},
     pages = {137--140},
     publisher = {mathdoc},
     volume = {15},
     number = {7},
     year = {2009},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/FPM_2009_15_7_a5/}
}