Kearfott, R. B. Algorithm 763: INTERVAL_ARITHMETIC: A Fortran 90 module for an interval data type. ACM transactions on mathematical software..
Lua i Stíl Chicago (17ú heag.)Kearfott, R. Baker. "Algorithm 763: INTERVAL_ARITHMETIC: A Fortran 90 Module for an Interval Data Type." ACM Transactions on Mathematical Software. .
Lua MLA (9ú heag.)Kearfott, R. Baker. "Algorithm 763: INTERVAL_ARITHMETIC: A Fortran 90 Module for an Interval Data Type." ACM Transactions on Mathematical Software., .
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