@base . a ; "1860-6261" ; . a ; ; "20210206224400.0"^^ ; ; . a . a ; . a , , ; , , ; "Chinese annals of mathematics." ; ; ; ; "1860-6261" ; ; ; "1860-6261" ; ; "1860-6261" ; "Chinese annals of mathematics. Series B (Internet)" , "Chinese annals of mathematics." ; ; "http://link.springer.com/journal/11401" . . a , ; "Chinese annals of mathematics. Series B (Internet)" . "Germany" . a ; "0252-9599" ; .