Monthly Archives: January 2011

Contact Information Address: Prof. Joseph Páez Chávez Department of Mathematics Faculty of Natural Sciences and Mathematics Escuela Superior Politécnica del Litoral Km. 30.5 Vía Perimetral Guayaquil, Ecuador E-mail: jpaez@espol.edu.ec Phone: +593-4-2269-532 Updated: September 14, 2022

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