@article{AM2_1971__6_136186,
     author = {HALINA SWIATAK},
     title = {Criteria for the {Regularity} of {Continuous} and {Locally} {Integrable} {Solutions} of a {Class} of {Linear} {Functional} {Equations}},
     journal = {Aequationes mathematicae},
     pages = {170--187},
     publisher = {mathdoc},
     volume = {6},
     year = {1971},
     zbl = {0231.39005},
     url = {http://geodesic.mathdoc.fr/item/AM2_1971__6_136186/}
}