@article{NSJOM_1999_29_3a_5,
     author = {M. 

 Bjelica},
     title = {Area 

 swept hy line segment under a planar motion},
     journal = {Novi Sad Journal of Mathematics},
     pages = {65-67},
     year = {1999},
     volume = {29},
     number = {3},
     url = {http://geodesic.mathdoc.fr/item/NSJOM_1999_29_3a_5/}
}