Chatterji, P. (1989). Differential equations. Rajhans.
Chicago-čujuhus (17. p.)Chatterji, P.N. Differential Equations. Meerut: Rajhans, 1989.
MLA-čujuhus (9. p.)Chatterji, P.N. Differential Equations. Rajhans, 1989.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.