On generalizations of the Pompeiu functional equation. Kannappan, Pl.; Sahoo, P.K. — 1998 International Journal of Mathematics and Mathematical Sciences
On the general solution of a functional equation connected to sum form information measures on open domain. III. Kannappan, PL.; Sahoo, P.K. — 1986 International Journal of Mathematics and Mathematical Sciences
Stability of a functional equation related to distance measure. II. Kim, G.H.; Sahoo, P.K. — 2010 Annals of Functional Analysis (AFA) [electronic only]
On the Largest Solution of a Functional Equation Connected to sum Form Information Measures on Open Domain-i P.L. Kannappan; P.K. Sahoo — 1986 Publications de l'Institut Mathématique
On trigonometric functional equations of rectangular type. (Summary). Pl. Kannappan; J.K. Chung; P.K. Sahoo — 1996 Aequationes mathematicae
On trigonometric functional equations of rectangular type. P.K. Sahoo; J. Chung; P. Kannappan — 1997 Aequationes mathematicae
Characterizations of sum form information measures on open domains. B.R. Ebanks; P.K. Sahoo; P. Kannappan — 1997 Aequationes mathematicae
On a functional equation of Swiatak on groups. B.R. Ebanks; J.K. Chung; P.K. Sahoo — 1993 Aequationes mathematicae