References

1

Zwillinger, D., "Standard Mathematical Tables and Formulae", CRC Press (1996) ISBN0-8493-2479-3

(see page 209)

2

Oomori, K. "Magic squares" Tokyo, JAPAN (1992) ISBN4-572-00696-2

(the definitions of the fundamental perfect squares , , in page 120 are given by

using our expression in the present study.)