Help on query formulation
Real numbers at the secondary school and at the University. Pt. 1. Reelle Zahlen an der Sekundarschule und an der Universitaet. T. 1. (German)
Acta Math. Univ. Comen. (1986) (no.48-49) p. 357-380. [ISSN 0231-6986]
Valid XHTML 1.0 Transitional Valid CSS!