The solution of linear boundary-value problems in physics by means of the Laplace transformation. Part. I. A theory for establishing a solution in tbe form of an integral, for problems with vanishing initial co R.V. Churchill — 1937 Mathematische Annalen
The solution of linear boundary value problems in physics by means of the Laplace transformation. Part. II. Temperatures in a composite wall R.V. Churchill — 1938 Mathematische Annalen
Additional notes on the inversion of the Laplace transformafion Dr. R.V., Ann Arbor, Michigan Churchill — 1938 Mathematische Zeitschrift