Here are the instructions for knitting the sleeves.
Cast onf 30 sts loosely.
1st row: (RS). *K2. (yfwd) twice. Rep from * to last 2 sts. K2. 58 sts.
2nd row: *P2. (P1. K1) into double yfwd. Rep from * to last 2 sts. P2.
3rd row: K1. *Sl1. K1. psso. (yfwd) twice. K2toget. Rep from * to last st. K1.
4th row: As 2nd row.
Rep 3rd and 4th rows for Open Rib Pat.
Cont in Open Rib Pat until work from beg measure 5 ins ending on a 4th row of pat.
Here is a link to the picture of the sweater