John W. Wrench

Khintchine's Constant

Daniel Shanks, J. Wrench, D. Shanks, 1959 .

The calculation of certain Dirichlet series

Daniel Shanks, J. Wrench, D. Shanks, 1963 .

Evaluation of Artin's Constant and the Twin-Prime Constant

J. Wrench, John W. Wrench, 1961 .

Concerning Two Series for the Gamma Function

J. Wrench, John W. Wrench, 1968 .

Calculation of π to 100,000 Decimals

Daniel Shanks, J. Wrench, D. Shanks, 1962 .