作者单位:
Univ Edinburgh, Sch Math, Peter Guthrie Tait Rd, Edinburgh EH9 3FD, Midlothian, Scotland
[1]
Univ Durham, Dept Math Sci, Stockton Rd, Durham DH1 3LE, England
[2]
Mass Spec Analyt Ltd, Golf Course Lane, Bristol BS34 7RP, Avon, England
[3]
发布时间
2017-09-26