JOURNAL of DIFFERENTIAL EQUATIONS. Acadmic Press.
Chicago-čujuhus (17. p.)JOURNAL of DIFFERENTIAL EQUATIONS. Brugge, Belgium: Acadmic Press.
MLA-čujuhus (9. p.)JOURNAL of DIFFERENTIAL EQUATIONS. Acadmic Press.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.