@article{MM3_2019_23_1_a4,
     author = {Michael Gil},
     title = {On location in a half-plane of zeros of perturbed first order entire functions},
     journal = {Mathematica Moravica},
     pages = {51 - 61},
     publisher = {mathdoc},
     volume = {23},
     number = {1},
     year = {2019},
     url = {https://geodesic-test.mathdoc.fr/item/MM3_2019_23_1_a4/}
}