@article{10_4064_aa_56_3_237_248, author = {Kan Jiahai}, title = {Lower and upper bounds for the number of solutions of $p + h = P_{r}$}, journal = {Acta Arithmetica}, pages = {237--248}, publisher = {mathdoc}, volume = {56}, number = {3}, year = {1990}, doi = {10.4064/aa-56-3-237-248}, language = {en}, url = {http://geodesic.mathdoc.fr/articles/10.4064/aa-56-3-237-248/} }