О неголономной поверхности трехмерного пространства проективной связности

The non-holonornic surface of the three-dimensional projective space (the differential equations of which are (2)) is considered by using the method of G. F. Laptev. The asymptotic curves, the Lie quadrics, the inner projective normales and the Lie cone of non-holonomic surface are obtained.
Библ. 4.