TY - JOUR AU - Shapiro, Harold S. TI - A Class of Singular Functions JO - Canadian journal of mathematics PY - 1968 SP - 1425 EP - 1431 VL - 20 IS - 1 UR - http://geodesic.mathdoc.fr/articles/10.4153/CJM-1968-143-9/ DO - 10.4153/CJM-1968-143-9 ID - 10_4153_CJM_1968_143_9 ER -