Białostockiej (od 2003 r.).
Staże naukowe 12 miesięcy Uniwersytet Manitoby, Winnipeg, 1981–82 3 miesiące Uniwersytet Manitoby, Winnipeg, 1984 1 miesiąc Uniwersytet Moskiewski, 1976, 1989 2 tygodnie Uniwersytet w Rostocku, 1992 1 miesiąc Uniwersytet w Metz, 1992 1 tydzień Uniwersytet Lwowski 1995-2003
Wybrane prace Kryshtafovych A.A., Matysiak S.J. (2001), Frictional contact of laminated half-spaces allowing interface cavities. Part I. Analytical treatment, Int. J. for Numerical and Analytical Methods in Geomechanics, Vol. 25, 1077-1088. Kryshtafovych A.A., Matysiak S.J. (2001): Frictional contact of laminated half-spaces allowing interface cavities. Part II. Numerical results, Int. J. for Numerical and Analytical Methods in Geomechanics, Vol. 25, 1089-1099. Matysiak S.J., Mieszkowski R. (2001), On modelling of diffusion processes in periodically stratified elastic bodies, Int. J. Engineering Science, Vol. 39, 491-501. Kournytskyi T., Matysiak S.J., Gaczkiewicz A. (2004), Effect of laser radiation upon heat and mass transfer in two-component elastic semi-trasparent layer, International Journal of Heat and Mass Transfer, Vol. 47, 977-985. Matysiak S.J., Jevtushenko A.A., Zelenjak W. (2004), Heating of a semi-space with an inclusion and a crack, Physicochemical Mechanics of Materials, Vol.