Bukhtyak Mikhail Stepanovych «Normal congruence of paraboloid. Demiquadrics» // Tomsk State University Journal of Mathematics and Mechanics 2015. №5(37) C.5-19
Bukhtyak Mikhail Stepanovych «Lines close to geodetic lines on a paraboloid» // Tomsk State University Journal of Mathematics and Mechanics 2015. №6(38) C.5-17
Bukhtyak Mikhail Stepanovych «Metallic mesh tailoring for an offset reflector» // Tomsk State University Journal of Mathematics and Mechanics 2016. №3(41) C.5-15
