W. Petryshyn

发表

W. Petryshyn, 1968, Philosophical Transactions of the Royal Society of London. Series A, Mathematical and Physical Sciences.

F. Browder, W. Petryshyn, W. V. Petryshyn, 1967 .

W. Petryshyn, P. Fitzpatrick, 1979 .

Patrick Fitzpatrick, W. Petryshyn, P. Fitzpatrick, 1974 .

W. Petryshyn, W. V. Petryshyn, 1965 .

W. Petryshyn, 2016 .