... ()()33 4 0 (4) (4) (4) (4) 33 4 11, ,4 85, ,12mnn nnqn jk jjjknn nnqn jk jjjkae b b nqae b b n (4) (4) (4) (4) (4) 33 11 43 101, ,4 9,10,118exp[ ... 23 3 24 4231 1 32 2 33 3 34 4 41 1 42 2 43 3 44 4 () 0() 0() 00vvv (6) Here: 44 44 , , , , , 1,2,3jk kj ijkl ... = 0 coordinate. Let us consider in particular the single layer of thickness l, infinite in lateral directions – see Fig. 4. Fig. 4. The single layer of thickness l. x1 = l x1x1...