@article{ARM_1987__23_1_a6,
     author = {R\'ab, Milo\v{s}},
     title = {Asymptotic formulas for solutions of the differential equation with advanced argument $(x'(t)/r(t))'+q(t)f(x(g(t)))=0$},
     journal = {Archivum mathematicum},
     pages = {45--51},
     publisher = {mathdoc},
     volume = {23},
     number = {1},
     year = {1987},
     mrnumber = {930547},
     zbl = {0652.34080},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/ARM_1987__23_1_a6/}
}