relation: http://acta.bibl.u-szeged.hu/14356/ title: On a property of approximate derivatives creator: Mukhopadhyay S. N. date: 1972 type: Cikk, tanulmány, mű type: NonPeerReviewed format: part language: hu identifier: http://acta.bibl.u-szeged.hu/14356/1/math_033_fasc_003_004_207-210.pdf identifier: Mukhopadhyay S. N.: On a property of approximate derivatives. In: Acta scientiarum mathematicarum, (33) 3-4. pp. 207-210. (1972) relation: http://www.acta.hu language: eng