00999naa#a2200265#i#4500001001500000005001700015011001400032100004100046101000800087102000700095200010100102210005800203215001000261608002700271675002000298686007300318686005300391686004300444686005000487686007500537700003500612700003400647700003100681856002100712EN\\bibl\3157920240427065057.6##a2073-1574##a20190225b2019####ek#y0engy0150####ca0#aRUS##aRU1#aMATHEMATICAL MODELING IN THE STUDY OF ROUGHNESS AS APPLIED TO INTERNAL SURFACESeJournal article1#aAstrakhancAstrakhan State Technical Universityd2019##a6 с.##aJournal article2local##a. 621. 757zRUS##aОбщие вопросы электротехники. 45.012grnti##aДвигателестроение. 55.422grnti##aСудостроение. 55.452grnti##aВодный транспорт. 73.342grnti##aТеплоэнергетика. Теплотехника. 44.312grnti#1aBatmanovgEdward Zagidinovich #1aBulgakovgVladimir Pavlovich #1aGuseinovgRasul Vagidovich4#avestnik.astu.org