(en) Jeff Miller, « Earliest Known Uses of Some of the Words of Mathematics » : « The use of kernel in algebra appears to be unrelated to its use in integral equations and Fourier analysis. L. Pontrjagin used the term in 1931 on page 102 of his paper “Über den algebraischen Inhalt topologischer Dualitätssätze” in Math. Annalen 105. ».
