TY - BOOK AU - Kushner,Harold J. TI - Probability methods for approximations in stochastic control and for elliptic equations SN - 0124301401 : U1 - 519.1 PY - 1977/// CY - New York PB - Academic Press KW - Stochastic control theory KW - Differential equations, Elliptic KW - Approximation theory KW - Probabilities N1 - Includes bibliographical references and index ER -