In:
Chebyshevskii sbornik, FSBEIHE Tula State Lev Tolstoy Pedagogical University, Vol. 20, No. 3 ( 2019), p. 478-493
Type of Medium:
Online Resource
ISSN:
2226-8383
DOI:
10.22405/2226-8383-2019-20-3-478-493
Language:
Unknown
Publisher:
FSBEIHE Tula State Lev Tolstoy Pedagogical University
Publication Date:
2019