%0 Journal Article
%A Pradthana Jaipong
%A Wanchai Tapanyo
%T Generalized classes of suborbital graphs for the congruence subgroups of the modular group
%J Algebra and discrete mathematics
%D 2019
%P 20-36
%V 27
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/ADM_2019_27_1_a3/
%G en
%F ADM_2019_27_1_a3