History


Help on query formulation
A project in algebra - fractions and operators. Ein Algebraprojekt - Brueche und Operatoren. (English)
Int. J. Math. Educ. Sci. Technol. (Jan-Feb 1992) v. 23(1) p. 1-11. (In English). CODEN: IJMEBM [ISSN 0020-739X]
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