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{1} . X. . ., 1977, . 59, 60.
{2} - , .
{3} ( ), . 319, . 4798, . 4, . 42.
{4}, . 319, . 4820, . 46, . 95.
{5} . . . ., 1975, , 136.
{6}, . 319, . 4818, . 17, . 8-14.
{7}, . 319, . 4798, . 47, . 52.
{8}, . 319, . 4798, . 81, . 124.
{9}, . 319, . 142196, . 16, . 24.
{10} . . , . 229.
{11}, . 319, . 4798, . 7, . 109.