Small, Christopher. G
Functional Equations and How to Solve Them - New York Springer 2007 - XII, 129 - Problem Books in Mathematics .
9788184898347
517.98 / SMA
Functional Equations and How to Solve Them - New York Springer 2007 - XII, 129 - Problem Books in Mathematics .
9788184898347
517.98 / SMA