@article{10_4153_CMB_1965_004_x,
     author = {Schaer, J. and Meir, A.},
     title = {On a {Geometric} {Extremum} {Problem}},
     journal = {Canadian mathematical bulletin},
     pages = {21--27},
     year = {1965},
     volume = {8},
     number = {1},
     doi = {10.4153/CMB-1965-004-x},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CMB-1965-004-x/}
}