TY - Acta mathematica scientia,Series B A1 - M. O. AGWANG, J. O. BONYO T1 - SPECTRA OF COMPOSITION GROUPS ON THE WEIGHTED DIRICHLET SPACE OF THE UPPER HALF-PLANE Y1 - 2020-12-25 JF - Acta mathematica scientia, Series B JO - Acta mathematica scientia,Series B SP - 1739 EP - 1752 VL - 40 IS - 6 UR - http://121.43.60.238/sxwlxbB N1 - 10.1007/s10473-020-0609-4 ER -