Media type: E-Article Title: Diophantine approximation with one prime and three squares of primes Contributor: Li, Weiping; Wang, Tianze Published: Springer Science and Business Media LLC, 2011 Published in: The Ramanujan Journal, 25 (2011) 3, Seite 343-357 Language: English DOI: 10.1007/s11139-010-9290-x ISSN: 1382-4090; 1572-9303 Keywords: Algebra and Number Theory Origination: Footnote: