Stanev, I.
(2001).
Formal Programming Language Net. Part I - Conception of the Language. // <I>Procееdings<D> of the International Conference on Computer Systems and Technologies CompSysTech' 2001, Sofia, 21-22 June, 2001.- Rousse : Avangard Print Ltd. Rousse, 2001, p. I.16-1 -I.16-5..