Mathematics
Mathematics
KOBRINSKII, N. E. & B. A. TRAKHTENBROT.
Introduction to the Theory of ..Amsterdam, North-Holland Publ. Comp., 1965.
CHANDRASEKHAR, SUBRAMANYAN.
Stochastic Problems in Physics..Lancaster, American Physical Society, 1943.
HANSEN, MORRIS H., WILLIAM N. HURWITZ, WILLIAM G. MADOW.
Simple Survey Methods and Theo..N.Y., Wiley & Sons, (1953).