{"title":"Изменения орбитального периода затменно-двойных систем RY Aur, GG Cas, RS Lep и RV Tri","authors":"А. И. Халиуллина","doi":"10.1134/S0004629919090032","DOIUrl":null,"url":null,"abstract":"","PeriodicalId":210531,"journal":{"name":"Астрономический журнал","volume":"9 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Астрономический журнал","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1134/S0004629919090032","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}