TY - GEN AU - Kushner,Harold J TI - Probability methods for approximations in stochastic control and for elliptic equations SN - 0124301401 PY - 1977/// CY - New York PB - Academic Press KW - Control theory KW - Differential equations, Elliptic KW - Approximation theory KW - Probabilities N1 - Cuprinde bibliografie si index ER -