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
A Mixid Theory of Information - IV: Inset-Inaccuracy and Directed Divergence. Pl. Kannappan — 1980 Metrika
On some generalized functional equations in information theory. Pl. Kannappan — 1980 Aequationes mathematicae
On a Functional Equation Connected with Generalized Directed-Divergence. (Short Communication). Pl. Kannappan — 1974 Aequationes mathematicae
On a Functional Equation Connected with Generalized Directed-Divergence. Pl. Kannappan — 1974 Aequationes mathematicae
On a generalization of sum form functional equation - V. Pl. Kannappan — 1985 Aequationes mathematicae
On some generalized functional equations in information theory (Short Communication). Pl. Kannappan — 1979 Aequationes mathematicae
On a generalization of the sum form functional equation. VI Pl. Kannappan — 1988 Annales Polonici Mathematici
Some Relations Between Additive Functions, II. (Short Communication). Pl. Kannappan; S. Kurepa — 1970 Aequationes mathematicae
Some Relations Between Additive Functions - II PL. KANNAPPAN; S. KUREPA — 1971 Aequationes mathematicae
Some Relations Between Additive Function - I. (Short Communication). Pl. Kannappan; S. Kurepa — 1969 Aequationes mathematicae
Some Relations Between Additive Functions - I. Pl. Kannappan; S. Kurepa — 1970 Aequationes mathematicae
On the System of Functional Equations. (Short Communication). Pl. Kannappan; S. Horinouchi — 1970 Aequationes mathematicae
On the System of Functional Equations f(x +y) = f(x) + f (y) and f(xy)=p(x)f(y) PL. KANNAPPAN; SOICHI HORINOUCHI — 1971 Aequationes mathematicae
A mixed theory of information - VIII: Inset measures depending upon several distributions. (Short Communication). Pl. Kannappan; W. Sander — 1982 Aequationes mathematicae
A functioanl identity characterizing polynomials. G.E. Cross; Pl. Kannappan — 1987 Aequationes mathematicae