TY - BOOK AU - Levitin, Evgenij S TI - Perturbation theory in mathematical programming and its appl T2 - Wiely-Interscience series in discrete mathematics & optimiza SN - 0-471-93935-8 U1 - 519.7/LEV PY - 1994/// CY - New York PB - John Wiley KW - Perturbation(Mathematics) KW - Mathematical programming KW - Mathematics ER -