@article{RSMUP_1994__92__135_0,
     author = {Bank, Steven B.},
     title = {On the location of zeros of solutions of non-homogeneous linear differential equations},
     journal = {Rendiconti del Seminario Matematico della Universit\`a di Padova},
     pages = {135--163},
     publisher = {Seminario Matematico of the University of Padua},
     volume = {92},
     year = {1994},
     mrnumber = {1320484},
     zbl = {0836.34004},
     language = {en},
     url = {http://www.numdam.org/item/RSMUP_1994__92__135_0/}
}