%0 Journal Article %A J. Wójcik %T A refinement of a theorem of Schur on primes in arithmetic progressions II %J Acta Arithmetica %D 1966 %P 97-109 %V 12 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/aa-12-1-97-109/ %R 10.4064/aa-12-1-97-109 %G en %F 10_4064_aa_12_1_97_109