Az Egri Ho Si Minh Tanárképző Főiskola Tud. Közleményei. 1987. (Acta Academiae Paedagogicae Agriensis : Nova series ; Tom. 18/13)

Tamás Franczia: An analytical method for calculating multicentre integrals built up from GTF-S I

- 38 or z^ have the same structure. a. fx -x 1

2-a, fx -xl

2= -a. ÍX

2-2X x +x

2l-a^ fx

2-2x x +x

2l JPl P 1J Ml q Jpl P pit J kq L q q 1 lj = - fa. X

2 - 2a. X x + a. x

2 + a, X

2 - 2a, X x, + a, x

2l = I. J P P JP P 1 Jpl kq q kq q 1 kq lj = -ffa. +a 1 x

2—

2 fa

. X X ]x +a. X

2+a, X

21 = LI. JP kqj i L JP P kq qj i jp p kq qj r 2 fa

. X +a, X 1 r ^ I LJPP kq q J = - a +a I J P kqj a

. +a, j p kq a X +a X

J J P P k q q a. +a, j p kq = -|a. +a, I j p kqj a. X +a, X J P P k q q a +a. j p kq a. X +a X^ J p P k q q a +a. J P kq a. X +a, X j p p kq q a. +a, J P KQ = - fa

. +a I I JP kq

) a. X +a, X J p P k q q a

. +a, J P k q fa. X +a X 1 I J P P kq qj a

. +a, J P kq - fa. X

2 + a X

21. C17> I J P P kq qj Now we can see that introducing the a. X +a, X j p p k q q < = X — — C18a) a +a, J P kq a. Y +a Y J P P kq q n = y - _ — — C18b3 a +a, J P k q