Kearfott, R. B. Algorithm 763: INTERVAL_ARITHMETIC: A Fortran 90 module for an interval data type. ACM transactions on mathematical software..
Cita Chicago (17th ed.)Kearfott, R. Baker. "Algorithm 763: INTERVAL_ARITHMETIC: A Fortran 90 Module for an Interval Data Type." ACM Transactions on Mathematical Software. .
Cita MLA (9th ed.)Kearfott, R. Baker. "Algorithm 763: INTERVAL_ARITHMETIC: A Fortran 90 Module for an Interval Data Type." ACM Transactions on Mathematical Software., .
Atenció: Aquestes cites poden no estar 100% correctes.