Dual algorithms for convex approximations of histograms using cubic C¹-splines Jochen Schmidt — 1994 Banach Center Publications
Numerical solution of some classes of complementarity and variational problems via dualization Jochen W. Schmidt — 1990 Banach Center Publications
Fehlerabschätzung und Konvergenzbeschleunigung zu Iterationen bei linearen Gleichungssystemen Jochen W. Schmidt — 1965 Aplikace matematiky
Enclosing methods for perturbed boundary value problems in nonlinear difference equations Schmidt, Jochen W. — 1986 Equadiff 6
A Dual Algorithm for Convex-Concave Data Smoothing by Cubic C2-Splines. Jochen W. Schmidt; Isa Scholz — 1990 Numerische Mathematik