$a Kp. Metody minimizacii nedifferenciruemych funkcij i ich priloženija / N. Z. Šor. - Kiev, 1979.
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$a Nondifferentiable optimization and polynomial problems / Naum Z. Shor. - Boston, 1998. $b (V.M. Glushkov Institute of Cybernetics, Ukrainian National Academy of Sciences, Kiev)