00494naa#a2200169#i#450# EN\\bibl\113141 20260315225920.7 2311-1402 20101225b2010####ek#y0engy0150####ca RUS RU Sotrudnichestvo S.F.Platonova s istorikami Voronezhskogo kraya Journal article Nizhnevartovsk Nizhnevartovsk State University 2010 9 с. Journal article local Mitrofanov V V nvsu.editorum.ru