APA Citation

Piza Volio, E. 1., & Piza Volio, E. 1. (2002). Recurrence and direct formulas for the Hal & Lah numbers. San José, C.R.: CIMPA, Universidad de Costa Rica.

Chicago Style Citation

Piza Volio, Eduardo 1955-, and Eduardo 1955- Piza Volio. Recurrence and Direct Formulas for the Hal & Lah Numbers. San José, C.R.: CIMPA, Universidad de Costa Rica, 2002.

MLA Citation

Piza Volio, Eduardo 1955-, and Eduardo 1955- Piza Volio. Recurrence and Direct Formulas for the Hal & Lah Numbers. San José, C.R.: CIMPA, Universidad de Costa Rica, 2002.

Warning: These citations may not always be 100% accurate.