TY - JOUR A2 - Clapp, Mónica AU - Su, C. Joanna PY - 2007 DA - 2007/11/15 TI - On Relative Homotopy Groups of Modules SP - 027626 VL - 2007 AB - SN - 0161-1712 UR - https://doi.org/10.1155/2007/27626 DO - 10.1155/2007/27626 JF - International Journal of Mathematics and Mathematical Sciences PB - Hindawi Publishing Corporation KW - ER -