(68) (69) . , (70), (68) (69) ':
(72) j:
= t |rr'|/c. (72) (73) , r t . . (72) (73) = t + |r - r'|/c. .
: |
(68) (69) . , (70), (68) (69) ': (72) j: = t |rr'|/c. (72) (73) , r t . . (72) (73) = t + |r - r'|/c. .
: 2015-05-07; !; : 1127 | : : . |