... and his footprints 

the famous Nitsche trick was first published in




a (nearly, w/o early 1950th papers) complete reference list is given in:





 A "quasi-optimal" shift theorem for linear parabolic equations with appropriately defined norms in Hilbert scale framework  is proven in




Stefan (non-linear parabolic) problem related papers are:





Some additional  papers:


in memory
hand written manuscript



The several lecture notes were planned to be published in a book. Its content was nearly finished up to the below status, still available to be published:





Joachim A. Nitsche (1926-1996)