@misc{Hejmej_Beata_Stability, author={Hejmej, Beata}, howpublished={online}, publisher={Wydawnictwo Uniwersytetu Śląskiego}, publisher={De Gruyter Open}, language={eng}, type={czasopismo}, title={Stability of Functional Equations in Dislocated Quasi-Metric Spaces}, keywords={stability of functional equations, square symmetric groupoid, dislocated quasi-metric space, semigroups, Cauchy equation}, }