@article{FPM_2003_9_3_a9,
     author = {A. I. Ovchinnikov},
     title = {Sections of a~differential spectrum and factorization-free computations},
     journal = {Fundamentalʹna\^a i prikladna\^a matematika},
     pages = {133--144},
     publisher = {mathdoc},
     volume = {9},
     number = {3},
     year = {2003},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/FPM_2003_9_3_a9/}
}