For citations:

Goryuchkian I.V. CLASSES OF FINITE ORDER FORMAL SOLUTIONS OF AN ALGEBRAIC ORDINARY DIFFERENTIAL EQUATION CALCULATED BY METHODS OF PLANE POWER GEOMETRY. Chebyshevskii Sbornik. 2016;17(2):64-87. (In Russ.) https://doi.org/10.22405/2226-8383-2016-17-2-64-87