On the sum product estimates and two variables expanders

CHUN-YEN SHEN2018-09-102018-09-102010http://www.scopus.com/inward/record.url?eid=2-s2.0-77649280811&partnerID=MN8TOARShttp://scholars.lib.ntu.edu.tw/handle/123456789/360547On the sum product estimates and two variables expandersjournal article10.5565/PUBLMAT_54110_082-s2.0-77649280811WOS:000274418800008