On Uniform Spaces where All Uniformly Continuous Functions are Bounded. Olav Njastad — 1965 Monatshefte für Mathematik
Some Properties of Proximity and Generalized Uniformity. Olav Njastad — 1963 Mathematica Scandinavica
Quadrature rules for periodic integrands. Bi-orthogonality and para-orthogonality. Cruz-Barrosó, Ruymán; Daruisa, Leyla; González-Vera, Pablo; Njastad, Olav — 2005 Annales Mathematicae et Informaticae
Szegő quadrature and frequency analysis. Daruis, Leyla; Njåstad, Olav; Van Assche, Walter — 2005 ETNA. Electronic Transactions on Numerical Analysis [electronic only]