@article{rgn:2468, author = {{Volenec, Vladimir and Jurkin, Ema and Šimić Horvath, Marija}}, title = {{A Complete Quadrilateral in Rectangular Coordinates}}, } @article{rgn:1898, author = {{Volenec, Vladimir and Horvath, Marija Šimić and Jurkin, Ema}}, title = {{Circles of curvature at points of parabola in isotropic plane}}, } @article{rgn:1722, author = {{Volenec, Vladimir and Jurkin, Ema and Šimić Horvath, Marija}}, title = {{Parabolas in the isotropic plane}}, } @article{rgn:1724, author = {{Volenec, Vladimir and Jurkin, Ema and Šimić Horvath, Marija}}, title = {{Covertex inscribed triangles of parabola in isotropic plane}}, }