TY - JOUR AU - J. Proschan TI - On the changes of sign of a certain class of error functions JO - Acta Arithmetica PY - 1970 SP - 407 EP - 430 VL - 17 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/aa-17-4-407-430/ DO - 10.4064/aa-17-4-407-430 LA - en ID - 10_4064_aa_17_4_407_430 ER -