The Changes of Sign of Certain Arithmetical Error-Terms. J. Steinig — 1969 Commentarii mathematici Helvetici
Inequalities Concerning the Inradius and Circumradius of a Triangle. J. Steinig — 1963 Elemente der Mathematik
On the incongruence of consecutive fourth powers. J. Steinig; P. Schumer — 1988 Elemente der Mathematik
An Elemenatry Proof of the Prime Number Theorem with a Remainder Term. H.G. Diamond; J. Steinig — 1970 Inventiones mathematicae