@article{10_4064_ap_49_1_53_68,
     author = {L. P. Ku\v{c}ko},
     title = {Linear functional equations with variable coefficients},
     journal = {Annales Polonici Mathematici},
     pages = {53--68},
     publisher = {mathdoc},
     volume = {49},
     number = {1},
     year = {1988},
     doi = {10.4064/ap-49-1-53-68},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/ap-49-1-53-68/}
}