1. T. Czyżycki, J. Hrivnák
    Eight Kinds of Orthogonal Polynomials of the Weyl Group C2 and the Tau Method
    Geometric Methods in Physics XXXVI, Workshop and Summer School, Białowieża, Poland, 2017, Jul 2-8, Uniwersytet w Białymstoku (conf. org.) (P. Kielanowski, A. Odzijewicz, E. Previato Ed(s).), Trends in Mathematics , (publ. by) Birkhauser Verlag, Basel, 2019, pp. 347-354.
    DOI :  10.1007/978-3-030-01156-7_36
  2. E. Majewska
    Integracja europejskich rynków giełdowych w obliczu kryzysów finansowych
    Wydawnictwo Uniwersytetu w Białymstoku, 2019.
  3. E. Majewska
    Integration Level and the Hierarchical Structure of European Stock Markets in the Years 2004–2017
    Effective Investments on Capital Markets, 10th Capital Market Effective Investments Conference (CMEI 2018), Sept 17-19, Faculty of Economics and Management, University of Szczecin (conf. org.) (W. Tarczyński, K. Nermend Ed(s).), Springer Proceedings in Business and Economics , (publ. by) Springer, 2019, pp. 17-32.
    DOI :  10.1007/978-3-030-21274-2_2
  4. M. Makowski, E. W. Piotrowski, J. Sładkowski
    Schroedinger type equation for subjective identification of supply and demand
    Physica A (2019), no. 521, 131-137.
    DOI :  10.1016/j.physa.2019.01.068
Remarks related to the above bibliographic data should be directed to: libmaster@math.uwb.edu.pl