pern-2013-6-58http://www.ipgg.sbras.ru/ru/Files/publications/ibc/pern-2013-6-58.pdfpern-2013-6-58publ-o-perspektivakh-povysheniya-informativnosti-gradientnoy-2013-040969

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publ-o-perspektivakh-povysheniya-informativnosti-gradientnoy-2013-040969