Key points are not available for this paper at this time.
. - , (). , . -, - . , , , , - - , , . , 2,4 ( 4) 1,45 ( 13). - : - 4 3,6 ( 3), 2,73 ( 2). . - . - -. , , 6 (. -) 14 (. -) , 116-121 % ( 120 %). , Iii Iv .
Ivanyutin et al. (Fri,) studied this question.