On the role of an intersection property in measure theory - I Schaerf, H.M. — 1949 Portugaliae mathematica
On the role of an intersection property in measure theory - II Schaerf, H.M. — 1951 Portugaliae mathematica
On the countinuity of measurable functions in neighborhood spaces - II Schaerf, H.M. — 1948 Portugaliae mathematica
On the continuity of measurable functions in neighborhood spaces Schaerf, H.M. — 1947 Portugaliae mathematica
Errata to the paper "0n the continuity of measurable functions in neighborhood spaces" (Port. Math., 6(1) (1947), 33-44) Schaerf, H.M. — 1947 Portugaliae mathematica