I. N. Kovalenko

Chebyshev approximation of the distribution function of nonnegative random variables

A. N. Nakonechnyi, I. Kovalenko, A. Nakonechnyi, 1996 .

Approximation of distribution function of additive functional of Wiener process by segment of Chebyshev series

A. N. Nakonechnyi, I. N. Kovalenko, 1993 .