TY - JOUR AU - A. A. Malyugina AU - V. V. Shurygin TI - Holonomy pseudogroup of a manifold over the algebra of dual numbers and some its applications JO - Izvestiâ vysših učebnyh zavedenij. Matematika PY - 2019 SP - 82 EP - 88 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/IVM_2019_2_a8/ LA - ru ID - IVM_2019_2_a8 ER -