Fukuhara, S.S.FukuharaYI-FAN YANG2019-10-282019-10-282012https://scholars.lib.ntu.edu.tw/handle/123456789/428614A basis for S <inf>k</inf>(? <inf>0</inf>(4)) and representations of integers as sums of squaresjournal article10.1007/s11139-011-9341-y2-s2.0-84862816112https://www.scopus.com/inward/record.uri?eid=2-s2.0-84862816112&doi=10.1007%2fs11139-011-9341-y&partnerID=40&md5=36a01c304f28094fa69f6ccfa9b8e80c