TY - BOOK AU - Nikishin, E. M. and Sorokin, V. N. AU - Sorokin, V. N. ; jt. auth. AU - Gelfand, Sergei ; ed. AU - Boas, Ralph P. ; tr. TI - Rational approximations and orthogonality T2 - Translations of Mathematical monographs SN - 0821845454 U1 - 515.73 PY - 1991/// CY - Providence PB - American Mathematical Society N1 - "Purchased under NBHM grant for the year 1999-2000" ER -