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

- 45 -g

d C2)exp[-(,

2H

>

2)]exp[-^

2] ^ . [K"^' + Fx]

2 + d'

2]

2 Let us introduce the # notation with the following definition: & ~ x

2 + Fx » With this notation the integral in (29) can be written in the following form: 3 ct

dC2)exp ] H [V

2-K'

2] Í] exp 1 K1 I 1 [1 • rí'] I

2 + I

2 -»oo First we have to solve the problem of the calculation of the integral of the following-type: exp j [-Í'

2] I 1 [» - r? * J I

2 + d' I

2 If we solve the problem of the calculation of this integral, then multiplying the result with exp ^17' 2+t; '

2jj we can continue the integration on 17' or in the other case on y . Now let us deal with the