Abstrak
ÐÐμÐoаÑÑÑÐ2ÐμÐ1⁄2Ð1⁄2ÑÐμ ÑÑаÐ2Ñ Ð ̧зР́аÐ2Ð1⁄2а пÑÐ ̧Ð2лÐμÐoаÑÑ Ð2Ð1⁄2Ð ̧Ð1⁄4аÐ1⁄2Ð ̧Ðμ Ð1⁄4Ð1⁄2Ð3⁄4Ð3Ð ̧Ñ Ð»ÑÐ ́ÐμÐ1. ТÑаР́Ð ̧ÑÐ ̧Ð3⁄4Ð1⁄2Ð1⁄2Ð3⁄4 Ð1⁄2а Ð1⁄2Ð ̧Ñ ÑÐ1⁄4Ð3⁄4ÑÑÑÑ ÐoаÐo Ð1⁄2а паÐ1⁄2аÑÐμÑ, ÐoÐ3⁄4ÑÐ3⁄4ÑÐ°Ñ Ð1⁄2Ðμ Ð1⁄4Ð3⁄4жÐμÑ Ð1⁄2аÐ2ÑÐμÐ ́Ð ̧ÑÑ. ÐÐ ́Ð1⁄2аÐoÐ3⁄4 ÑÑÐ3⁄4 Ð3⁄4ÑÐ ̧бÐ3⁄4ÑÐ1⁄2Ð3⁄4Ðμ Ð1⁄4Ð1⁄2ÐμÐ1⁄2Ð ̧Ðμ. СÐ3⁄4Ð2ÑÐμÐ1⁄4ÐμÐ1⁄2Ð1⁄2ÑÐμ Ð ̧ÑÑлÐμÐ ́Ð3⁄4Ð2аÐ1⁄2Ð ̧Ñ Ð¿Ð3⁄4ÐoазÑÐ2аÑÑ, ÑÑÐ3⁄4 лÐμÐoаÑÑÑÐ2ÐμÐ1⁄2Ð1⁄2ÑÐμ пÑÐμпаÑаÑÑ Ð ̧Ð1⁄4ÐμÑÑ Ð1⁄2Ðμ ÑÐ3⁄4лÑÐoÐ3⁄4 пÐ3⁄4лÐ3⁄4жР̧ÑÐμлÑÐ1⁄2ÑÐμ ÑÐ2Ð3⁄4Ð1ÑÑÐ2а. ÐÐ1⁄2ÑÐ3⁄4ÑÐ1⁄4аÑÐ ̧Ñ, ÑÐ3⁄4Ð ́ÐμÑжаÑаÑÑÑ Ð2 СпÑаÐ2Ð3⁄4ÑÐ1⁄2Ð ̧ÐoÐμ, ÑÑаÐ2Ð1⁄2Ð ̧ÑÐμлÑÐ1⁄2Ð3⁄4 Ð1⁄2Ð3⁄4Ð2а Ð ́Ð»Ñ ÑÑÑÑÐoÐ3⁄4Ð3Ð3⁄4Ð2Ð3⁄4ÑÑÑÐ ̧Ñ ÑÐ ̧ÑаÑÐμлÐμÐ1: ÑÑаР́Ð ̧ÑÐ ̧Ð3⁄4Ð1⁄2Ð1⁄2ÑÐμ лÐμÐoаÑÑÑÐ2ÐμÐ1⁄2Ð1⁄2ÑÐμ ÑаÑÑÐμÐ1⁄2Ð ̧Ñ ÑаÑÑÐ1⁄4аÑÑÐ ̧Ð2аÑÑÑÑ Ð¿Ð3⁄4Ð ́ Ð1⁄2Ð3⁄4Ð2ÑÐ1⁄4 ÑÐ3лÐ3⁄4Ð1⁄4 зÑÐμÐ1⁄2Ð ̧Ñ/