@article{JGG_2019_23_1_JGG_2019_23_1_a11,
     author = {V. Ploskyi},
     title = {Functions of {Graphics} as a {Methodological} {Basis} of {Graphics} {Science}},
     journal = {Journal for geometry and graphics},
     pages = {139--145},
     year = {2019},
     volume = {23},
     number = {1},
     url = {http://geodesic.mathdoc.fr/item/JGG_2019_23_1_JGG_2019_23_1_a11/}
}