On the strong stability of operator-difference schemes in time-integral norms. Jovanović, B.S.; Matus, P.P. — 2001 Computational Methods in Applied Mathematics
On the convergence of difference schemes for the equation - Δ u + c u = f on generalized solutions of W 2 * s ( - ∞ < s < + ∞ ) . Jovanović, B.S.; Ivanović, L.D.; Süli, E.E. — 1985 Publications de l'Institut Mathématique. Nouvelle Série