Deficient values of meromorphic functions and their derivatives. P. K. Kamthan — 1974 Collectanea Mathematica
The geometric means of an entire function P. K. Kamthan; P. K. Jain — 1969 Annales Polonici Mathematici
On Nevanlinna's proximity functions of a meromorphic function P. K. Jain; P. K. Kamthan — 1972 Annales Polonici Mathematici
Spaces of entire functions represented by Dirichlet Series. Taqdir Husain; P. K. Kamthan — 1968 Collectanea Mathematica
Schauder decompositions in dual and bidual spaces M. Gupta; P. K. Kamthan; S. K. Ray — 1976 Colloquium Mathematicae
Bases in the space analytic Dirichlet transformations. P. K. Kamthan; S. K. Singh Gautam — 1972 Collectanea Mathematica
Certain Operators in the space analytic Dirichlet transformations. P. K. Kamthan; S. K. Singh Gautam — 1972 Collectanea Mathematica