| #341 | International journal of numerical analysis and modeling. -- Alberta : University of Alberta, 2004-. -- ISSN 1705-5105 |
| #342 | International mathematical news. -- Wien : Österreichische Mathematische Gesellschaft, 1952-. -- ISSN 0020-7926 |
| #343 | International statistical review. -- Voorburg : International Statistical Institute, 1972-. -- ISSN 0306-7734 print. -- ISSN 1751-5823 online |
| #344 | Inventiones mathematicae. -- Berlin : Springer, 1966-. -- ISSN 0020-9910 print. -- ISSN 1432-1297 online |
| #345 | Iowa State College journal of science. -- Ames : Iowa State College Press, 1926-1959. -- ISSN 0096-2783 |
| #346 | Iowa state journal of science. -- Ames : Iowa State University Press, 1959-1972. -- ISSN 0021-0684 |
| #347 | Iranian journal of fuzzy systems. -- Zahedan : University of Sistan and Baluchistan, 2004-. -- ISSN 1735-0654 |
| #348 | Israel Journal of Mathematics. -- Jerusalem : Weizmann Science Press William Dawson and Sons, 1963-. -- ISSN 0021-2172 |
| #349 | Israel Journal of Technology. -- Jerusalem : Weizmann Science Press William Dawson and Sons, 1963-. -- ISSN 0021-2202 |
| #350 | Issledovanija po prikladnoj matematike. -- Kazan : Izdatelstvo Kazanskogo universiteta, 1973-. -- ISSN 0256-3703 |