Lehner, Joseph Representations of a class of infinite groups. (English) Zbl 0096.02101 Mich. Math. J. 7, 233-236 (1960). PDFBibTeX XMLCite \textit{J. Lehner}, Mich. Math. J. 7, 233--236 (1960; Zbl 0096.02101) Full Text: DOI
Lehner, Joseph The Fourier coefficients of automorphic forms on horocyclic groups. III. (English) Zbl 0093.08202 Mich. Math. J. 7, 65-74 (1960). PDFBibTeX XMLCite \textit{J. Lehner}, Mich. Math. J. 7, 65--74 (1960; Zbl 0093.08202) Full Text: DOI
Lehner, Joseph The Fourier coefficients of automorphic forms on horocyclic groups. II. (English) Zbl 0085.30003 Mich. Math. J. 6, 173-193 (1959). PDFBibTeX XMLCite \textit{J. Lehner}, Mich. Math. J. 6, 173--193 (1959; Zbl 0085.30003) Full Text: DOI
Lehner, Joseph On modular forms of negative dimension. (English) Zbl 0084.07502 Mich. Math. J. 6, 71-88 (1959). PDFBibTeX XMLCite \textit{J. Lehner}, Mich. Math. J. 6, 71--88 (1959; Zbl 0084.07502) Full Text: DOI
Lehner, Joseph The Fourier coefficients of automorphic forms belonging to a class of horocyclic groups. (English) Zbl 0081.07602 Mich. Math. J. 4, 265-279 (1958). PDFBibTeX XMLCite \textit{J. Lehner}, Mich. Math. J. 4, 265--279 (1958; Zbl 0081.07602) Full Text: DOI