A. D. Michal

General differential geometries and related topics

A. D. Michal, 1939 .

Differential Invariants and Invariant Partial Differential Equations Under Continuous Transformation Groups in Normed Linear Spaces.

A. D. Michal, 1951, Proceedings of the National Academy of Sciences of the United States of America.

Functionals of $r$-dimensional manifolds admitting continuous groups of point transformations

A. D. Michal, 1927 .

Completely integrable differential equations in abstract spaces

A. D. Michal, V. Elconin, 1935, Proceedings of the National Academy of Sciences of the United States of America.

Matrix and tensor calculus

A. D. Michal, 1947 .

Theory and applications of abstract normal coordinates in a general differential geometry

D. H. Hyers, A. D. Michal, 1938 .

Geometries involving affine connections and general linear connections

J. Botsford, A. D. Michal, 1934 .

Projective Functional Tensors and Other Allied Functionals.

A. D. Michal, 1930, Proceedings of the National Academy of Sciences of the United States of America.