TY  - JOUR
AU  - Stanisław Knapowski
TI  - On sign-changes of the difference π(x)-li(x)
JO  - Acta Arithmetica
PY  - 1961
SP  - 107
EP  - 119
VL  - 7
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.4064/aa-7-2-107-119/
DO  - 10.4064/aa-7-2-107-119
LA  - en
ID  - 10_4064_aa_7_2_107_119
ER  -