00535naa#a2200181#i#450# EN\INFRA-M\bibl\17351 20260108044436.4 2308-4898 20170704b2017####ek#y0engy0150####ca RUS RU Obtaining of Four-Dimensional Nomograms Based on Similarity Theorem Journal article Moscow INFRA-M Academic Publishing LLC. 2017 5 с. Journal article local Математика. 51 RUS Levkin Yu. S. zh-szf.ru