TY - JOUR AU - Giraldo Suárez, Luis AU - Sols Lucía, Ignacio PY - 1996 DO - 10.1007/BF02568304 SN - 0025-2611 UR - https://hdl.handle.net/20.500.14352/58366 T2 - Manuscripta mathematica LA - eng M2 - 239 PB - Springer KW - Grassmann variety KW - Congruence KW - Integral surface KW - Chow class KW - Bidegree KW - Sectional irregularity TI - On the sectional irregularity of congruences TY - journal article VL - 90 ER -