| #451 | Journal of the Society for Industrial and Applied Mathematics: Series B, Numerical Analysis. -- Philadelphia : Society for Industrial and Applied Mathematics, 1964-. -- ISSN 0887-459X |
| #452 | K-theory. -- Dordrecht : Reidel, 1987-. -- ISSN 0920-3036 print. -- ISSN 1573-0514 online |
| #453 | Kibernetika. -- Kijev : AN USSR, 1965-. -- ISSN 0023-1274 |
| #454 | Kibernetika i sistemnyj analiz. -- Kijev : Institut kibernetiki, 1991-. -- ISSN 0023-1274 |
| #455 | Kodai mathematical journal. -- Tokyo : Tokyo Institute of Technology, Department of Mathematics, 1978-. -- ISSN 0386-5991 |
| #456 | Kodai mathematical seminar reports. -- Tokyo : Department of Mathematics. -- ISSN 0023-2599 |
| #457 | Kochi journal of mathematics. -- Kochi : Publication Committee (Mathematics), Faculty of Science, Kochi University, 2006-. -- ISSN 1880-5515 |
| #458 | Kragujevac Journal of Mathematics. -- Kragujevac : Prirodno-matematički fakultet, 2000-. -- ISSN 1450-9628 |
| #459 | Kumamoto journal Of mathematics, A, Matematics. -- Kumamoto : Kumamoto University, Department of Mathematics, Faculty of Science, 1988-. -- ISSN 0914-675X |
| #460 | Kumamoto journal of science, Series A, Mathematics, physics and chemistry. -- Kumamoto : Kumamoto Daigaku Rigakubu, 1952-1969. -- ISSN 0023-5318 |