00557naa#a2200169#i#450# EN\\bibl\72666 20240516200032.4 2542-1840 20231225b2023####ek#y0engy0150####ca RU Methods of Encoding Information Based on Three-Dimensional Parallelepiped in Teaching Mathematics Journal article Kemerovo Kemerovo State University 2023 13 с. Journal article local Sergeeva Ol'ga Alekseevna Kutovaya Anastasia Sergeevna vestnik-hss.kemsu.ru