@article{10_4153_CMB_1972_046_1,
     author = {Peterson, A. C.},
     title = {On the {Monotone} {Nature} of {Boundary} {Value} {Functions} for {nth-Order} {Differential} {Equations}},
     journal = {Canadian mathematical bulletin},
     pages = {253--258},
     year = {1972},
     volume = {15},
     number = {2},
     doi = {10.4153/CMB-1972-046-1},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CMB-1972-046-1/}
}