On bases and projections in non-Archimedean Banach spaces. P.K. Jain; N.M. Kapoor — 1977 Publications de l'Institut Mathématique [Elektronische Ressource]
Equivalence of Bases in Non-archimedean Banach Spaces P.K. Jain; N.M. Kapoor — 1980 Publications de l'Institut Mathématique
Equivalence of bases in non-Archimedean Banach spaces. Jain, P.K.; Kapoor, N.M. — 1980 Publications de l'Institut Mathématique. Nouvelle Série