December 29, 2018 book-chapter Open access Some Results on Modular Forms — Subgroups of the Modular Group Whose Ring of Modular Forms is a Polynomial Ring Advanced studies in pure mathematics DOI: 10.2969/aspm/03210245 Full text (OA) OpenAlex Authors 0 Author list not loaded yet. Cited by 1 stored of 7 Search Sort Most cited Newest Oldest Patent citations Title Any typearticle review book-chapter conference-paper preprint dissertation book dataset other Any fieldAgricultural and Biological Sciences Arts and Humanities Biochemistry, Genetics and Molecular Biology Business, Management and Accounting Chemical Engineering Chemistry Computer Science Decision Sciences Dentistry Earth and Planetary Sciences Economics, Econometrics and Finance Energy Engineering Environmental Science Health Professions Immunology and Microbiology Materials Science Mathematics Medicine Neuroscience Nursing Pharmacology, Toxicology and Pharmaceutics Physics and Astronomy Psychology Social Sciences Veterinary Open access Counting elliptic curves with prescribed level structures over number fields 2022 Journal of the London Mathematical Society article Mathematics Algebraic Geometry and Number Theory Open access 7 citations 1 result References 0