@article{ZNSL_1998_252_a3,
     author = {V. A. Zalgaller},
     title = {A note on convex $k$-gons of minimal area circumscribed around a convex $n$-gon},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {33--39},
     publisher = {mathdoc},
     volume = {252},
     year = {1998},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_1998_252_a3/}
}