TY - BOOK AU - O'Malley,Robert TI - Historical developments in singular perturbations SN - 9783319119236 U1 - 515.352 PY - 2014/// CY - New York PB - Springer UR - http://www.loc.gov/catdir/enhancements/fy1501/2014951027-b.html UR - http://www.loc.gov/catdir/enhancements/fy1501/2014951027-d.html UR - http://www.loc.gov/catdir/enhancements/fy1501/2014951027-t.html ER -