67

67⁵ = 13⁵+18⁵+23⁵+31⁵+36⁵+66⁵

67⁵ = 7⁵+20⁵+29⁵+31⁵+34⁵+66⁵=

Undergraduate Texts in Mathematics

Graduate Texts in Mathematics

Graduate Studies in Mathematics

Mathematics Encyclopedia

World

Index

Hellenica World - Scientific Library