@article{10_4064_aa_16_1_1_4, author = {Imre K\'atai}, title = {On sets characterizing number-theoretical functions {(II)} {(The} set of "prime plus one"'s is a set of quasi-uniqueness)}, journal = {Acta Arithmetica}, pages = {1--4}, publisher = {mathdoc}, volume = {16}, number = {1}, year = {1969}, doi = {10.4064/aa-16-1-1-4}, language = {en}, url = {http://geodesic.mathdoc.fr/articles/10.4064/aa-16-1-1-4/} }