@article{10_4064_ap_24_2_103_111,
     author = {Jan Bochenek},
     title = {On eigenvalues and eigenfunctions of an operational equation},
     journal = {Annales Polonici Mathematici},
     pages = {103--111},
     publisher = {mathdoc},
     volume = {24},
     number = {2},
     year = {1970},
     doi = {10.4064/ap-24-2-103-111},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/ap-24-2-103-111/}
}