Open AccessNormal subgroups of the Hecke group H (?2)*
Author(s) -
İsmaıl Nacı Cangül
Publication year - 1994
Publication title -
communications faculty of sciences university of ankara series a1: mathematics and statistics
Language(s) - English
Resource type - Journals
ISSN - 1303-5991
DOI - 10.1501/commua1_0000000479
Subject(s) - mathematics , order (exchange) , group (periodic table) , combinatorics , product (mathematics) , signature (topology) , free product , physics , geometry , quantum mechanics , finance , economics