[1] Bally, V., Matoussi, A.: 
Weak solutions for SPDEs and backward doubly stochastic differential equations. J. Theor. Probab. 14 (2001), 125-164. 
DOI 10.1023/A:1007825232513 | 
MR 1822898 
[5] Darling, R., Pardoux, E.: 
Backward stochastic differential equations with random terminal time and applications to semilinear elliptic PDE. Ann. Probab. 25 (1997), 1135-1159. 
DOI 10.1214/aop/1024404508 | 
MR 1457614 
[11] Pardoux, E.: Stochastic partial differential equations. Fudan Lecture Notes (2007).
[13] Peng, S.: 
Backward Stochastic Differential Equations and Related $g$-expectation. Longman Harlow (1997), 141-159. 
MR 1752680