@article{JDM_1931__40_145886,
     author = {P.C. Sengupta},
     title = {History of the {Infinitesimal} {Calculus} in {Ancient} and {Mediaeval} {India.}},
     journal = {Jahresbericht der Deutschen Mathematiker-Vereinigung},
     pages = {223--226},
     publisher = {mathdoc},
     volume = {40},
     year = {1931},
     zbl = {0002.32502},
     url = {http://geodesic.mathdoc.fr/item/JDM_1931__40_145886/}
}