λ -similar bases. Gupta, Manjul; Kamthan, P.K. — 1987 International Journal of Mathematics and Mathematical Sciences
On the mean values of an entire function represented by Dirichlet series Kamthan, P.K.; Jain, P.K. Portugaliae mathematica
On bases in the spaces of Dirichlet transformations of finite order ρ Kamthan, P.K.; Singh Gautam, S.K. — 1979 Portugaliae mathematica
On Entire Functions Represented by Dirichlet Series (III). P.K. Kamthan — 1965 Monatshefte für Mathematik
On Entire Functions Represented by Dirichlet Series (II). P.K. Kamthan — 1965 Monatshefte für Mathematik
On the Maximum Modulus of Entire Functions and Their Derivatives. P.K. Kamthan — 1965 Monatshefte für Mathematik
On the Maximum Modulus of Entire Functions and Their Derivatives: Corrigendum. P.K. Kamthan — 1969 Monatshefte für Mathematik
Addendum and corrigendum to the paper "Several notions of absolute bases". P.K. Kamthan; Manjul Gupta — 1980 Journal für die reine und angewandte Mathematik
Uniform bases in locally convex spaces. P.K. Kamthan; Manjul Gupta — 1977 Journal für die reine und angewandte Mathematik
Several notions of absolute bases. P.K. Kamthan; Manjul Gupta — 1979 Journal für die reine und angewandte Mathematik
Schauder decompositions and their applications to continuity of maps. P.K. Kamthan; Manjul Gupta — 1978 Journal für die reine und angewandte Mathematik