On Existence and Uniqueness of Maximum Likelihood Estimates in Quantal and Ordinal Response Models. H. Kaufmann — 1988 Metrika
On Kaiman Filtering, Posterior Mode Estimation and Fisher Scoring in Dynamic Exponential Family Regression. H. Kaufmann; L. Fahrmeir — 1991 Metrika
Temperature dependence of the effective and internal stresses at the initial stages of plastic deformation of the LiF single crystals. macrodeformation and dislocation mobility data L. S. Fomenko; H.-J. Kaufmann; S. V. Lubenets; E. I. Ostapchuk — 1991 Acta Universitatis Carolinae. Mathematica et Physica