Mathematical proceedings of the Royal Irish Academy. - Dublin: The Academy, 1998- - v.: ill.; 25 cm. - Semiannual - Vol. 98A, number 1 (Sept. 1998)- Title from cover. ISSN: 1393-7197 CODEN: MPRIFD LCCN: sn 99047256 Subjects--Topical Terms: Mathematics--Periodicals.