Gordon H. Bradley. Algorithm and bound for the greatest common divisor of n integers. Communications of the ACM, 13(7):433-436, 1970. [doi]
@article{Bradley70, title = {Algorithm and bound for the greatest common divisor of n integers}, author = {Gordon H. Bradley}, year = {1970}, doi = {10.1145/362686.362694}, url = {http://doi.acm.org/10.1145/362686.362694}, researchr = {https://researchr.org/publication/Bradley70}, cites = {0}, citedby = {0}, journal = {Communications of the ACM}, volume = {13}, number = {7}, pages = {433-436}, }