TY - JOUR AU - Paweł Walczak TI - Integral formulae for foliations with singularities JO - Colloquium Mathematicum PY - 2017 SP - 141 EP - 148 VL - 150 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/cm7105s-12-2016/ DO - 10.4064/cm7105s-12-2016 LA - en ID - 10_4064_cm7105s_12_2016 ER -