@article{MV_1968_20_3_a3,
     author = {Z. \v{S}najder},
     title = {Uber die {Darstellung} einer {Ebene} durch zwei {Normalprojektionen} i dreidimensionalen {Euklidishen} {Raum}},
     journal = {Matemati\v{c}ki vesnik},
     pages = {279 },
     publisher = {mathdoc},
     volume = {20},
     number = {3},
     year = {1968},
     url = {http://geodesic.mathdoc.fr/item/MV_1968_20_3_a3/}
}