@article{MOMA_1970__74_177505,
     author = {T.A. Burton and R.C. Grimmer},
     title = {Stability {Properties} of (r(t)u')' + a(t) f(u) g(u') = 0.},
     journal = {Monatshefte f\"ur Mathematik},
     pages = {211--222},
     publisher = {mathdoc},
     volume = {74},
     year = {1970},
     zbl = {0195.09804},
     url = {http://geodesic.mathdoc.fr/item/MOMA_1970__74_177505/}
}