@article{SM_2009_200_10_a7,
     author = {V. Ya. Yakubov},
     title = {Differential equations whose solution of the {Cauchy} problem displays nonclassical behaviour with respect to the parameter~$\lambda$},
     journal = {Sbornik. Mathematics},
     pages = {1565--1574},
     publisher = {mathdoc},
     volume = {200},
     number = {10},
     year = {2009},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SM_2009_200_10_a7/}
}