RT Journal T1 DENSITY ESTIMATES FOR SOLUTIONS OF STOCHASTIC FUNCTIONAL DIFFERENTIAL EQUATIONS A1 Nguyen Tien DUNG, Ta Cong SON, Tran Manh CUONG, Nguyen Van TAN, Trinh Nhu QUYNH PB Acta mathematica scientia,Series B FD 2019-08-25 YR 2019 JF Acta mathematica scientia, Series B JO Acta mathematica scientia,Series B VO 39 IS 4 SP 955 DO 10.1007/s10473-019-0404-2 K1 Stochastic functional differential equations;density estimates;Malliavin calculus LK {http://121.43.60.238/sxwlxbB/EN/article/article_15925.shtml}