| #981 | Semigroup forum. -- New York : Springer, 1993-. -- ISSN 0037-1912 print. -- ISSN 1432-2137 online |
| #982 | Serdika. -- Sofija : Bulgarska akademiâ na naukite, 1975-. -- ISSN 0204-4110 |
| #983 | Set-valued analysis. -- London : Kluwer Academic Publishers, 1993-. -- ISSN 0927-6947 print. -- ISSN 1572-932X online |
| #984 | Set-Valued and Variational Analysis. -- Dordrecht : Springer Netherlands, 1993-. -- ISSN 1877-0533 print. -- ISSN 1877-0541 online |
| #985 | Schweizerische Geometerzeitung. -- Schweiz : Winterthur : Budchdruckerei Winterthur, 1911-1918 |
| #986 | SIAM journal on algebraic and discrete methods. -- Philadelphia : Society for Industrial and Applied Mathematics, 1980-1987. -- ISSN 0196-5212 |
| #987 | SIAM journal on applied algebra and geometry. -- United States of America : Society for Industrial & Applied Mathematics, 2017-. -- ISSN 2470-6566 online |
| #988 | SIAM Journal on Applied Dynamical Systems. -- Philadelphia : Society for Industrial & Applied Mathematics, 2002-. -- ISSN 1536-0040 online |
| #989 | SIAM journal on applied mathematics. -- Philadelphia : Society for Industrial and Applied Mathematics, 1966-. -- ISSN 0036-1399 print. -- ISSN 1095-712X online |
| #990 | SIAM journal on computing. -- : Society for Industrial and Applied Mathematics, 1972-. -- ISSN 0097-5397 print. -- ISSN 1095-7111 online |