For citations:

Lazarev S.A., Pulnikov S.A., Sysoev Yu.S., Kazakova N.V. RELIABILITY ESTIMATION OF MATHEMATICAL DESCRIPTION OF MAIN GAS PIPELINE TOUGH LINE WITH 3RD DEGREE SPLINE. Oil and Gas Studies. 2016;(6):81-88. (In Russ.) https://doi.org/10.31660/0445-0108-2016-6-81-88