@article{JRAM_1977__291_151850, author = {Alfred Brauer and Richard H. Hudson}, title = {On the exact number of primes in the arithmetic progression 4n ... 1 and 6n ... 1.}, journal = {Journal f\"ur die reine und angewandte Mathematik}, pages = {23--29}, publisher = {mathdoc}, volume = {291}, year = {1977}, zbl = {0338.10045}, url = {http://geodesic.mathdoc.fr/item/JRAM_1977__291_151850/} }