%0 Journal Article %A Pham, Huyên %A Wei, Xiaoli %T Bellman equation and viscosity solutions for mean-field stochastic control problem %J ESAIM: Control, Optimisation and Calculus of Variations %D 2018 %P 437-461 %V 24 %N 1 %I EDP-Sciences %U http://www.numdam.org/articles/10.1051/cocv/2017019/ %R 10.1051/cocv/2017019 %G en %F COCV_2018__24_1_437_0