https://dds.las.ac.cn/service/document?appId=a1vacbnPuv9qJRzJvdNXfsesj9JbIa6e&appKey=sPBA4vANLzjnW1k5eufEcc4k7dxfNraW&ts=1763009416861&signature=ffc5908fd99b4534e4e137dfe11da75d&articleTitle=Information+Technologies+and+Mathematical+Modelling.+Queueing+Theory+and+Applications&articleAuthor=Alexander+Dudin%3BAnatoly+Nazarov%3BAlexander+Moiseev&publicationTitle=Information+Technologies+and+Mathematical+Modelling.+Queueing+Theory+and+Applications&language=&publicationType=1&publishYear=2022&isn=9783031093302&publisher=Springer+Nature