[2566] Non-homogeneous binary quadratic forms

[2567] Harald Bohr

[2568] The diophantine equation$ax$^{3}+$by$^{3}+$cz$^{3}=0.

[2569] The minimum of a binary quartic form (II)

[2570] Über den allgemeinen Integralsinus Si ($z, a$)