TY - JOUR AU - Moulay A. Barkatou AU - Renat R. Gontsov TI - Linear Differential Systems with Small Coefficients: Various Types of Solvability and their Verification JO - Symmetry, integrability and geometry: methods and applications PY - 2019 VL - 15 UR - http://geodesic.mathdoc.fr/item/SIGMA_2019_15_a57/ LA - en ID - SIGMA_2019_15_a57 ER -