@misc{Edwards_Joseph_(1854–1931)_Differentiation_[ca, author={Edwards, Joseph (1854–1931)}, volume={1}, copyright={Public Domain}, address={New York}, howpublished={online}, year={[ca 1954]}, publisher={Chelsea Publishing Company}, language={eng}, title={Differentiation of a definite integral with regard to a parameter.}, type={Text}, URL={http://rcin.org.pl/Content/158578/PDF/WA35_188791_11772-1_10.pdf}, keywords={Rachunek elementarny. [KABA]}, }