TY - BOOK AU - Kushner Harold J TI - Weak convergence methods and singularly perturbed stochastic control and filtering problems SN - 0-8176-3437-1 U1 - 629.8312 PY - 1990/// CY - Boston PB - Birkhauser KW - Control theory KW - Convergence KW - Filters(Mathematics) KW - Stochastic processes ER -