@article{AMUC2_2000__69_1_120903,
     author = {Jaro\v{s}, J. and Kusano, T. and Yoshida, N.},
     title = {Forced superlinear oscillations via {Picone's} identity.},
     journal = {Acta Mathematica Universitatis Comenianae. New Series},
     pages = {107},
     publisher = {mathdoc},
     volume = {69},
     number = {1},
     year = {2000},
     zbl = {0959.34024},
     language = {en},
     url = {https://geodesic-test.mathdoc.fr/item/AMUC2_2000__69_1_120903/}
}