Hitting lines at minimal cost with a gaussian process. - Mario Lefebvre (Autom., 1990)

Optimal control of wear processes. - Mario Lefebvre; John Gaspo (IEEE Trans. Autom. Control., 1996)

A Bidimensional Optimal Landing Problem. - Mario Lefebvre (Autom., 1998)

Linearization of a dynamic programming equation. - Mario Lefebvre (Int. J. Syst. Sci., 2000)

Exact solutions to two-dimensional homing problems. - Mario Lefebvre (Int. J. Syst. Sci., 2002)

Solutions de similitude d'un jeu différentiel stochastique. - Mario Lefebvre (ARIMA J., 2006)

First Hitting Place Probabilities for a Discrete Version of the Ornstein-Uhlenbeck Process. - Mario Lefebvre; Jean-Luc Guilbault (Int. J. Math. Math. Sci., 2009)

Stochastic optimal control in a danger zone. - Mario Lefebvre (Int. J. Syst. Sci., 2011)

Two-dimensional diffusion processes as models in lifetime studies. - Mario Lefebvre; Djilali Ait Aoudia (Int. J. Syst. Sci., 2012)

LQG homing problem with a maximin cost. - Cloud Makasu; Mario Lefebvre (J. Frankl. Inst., 2012)

On a modified M/M/m/n queueing model. - Mario Lefebvre (Comput. Sci. J. Moldova, 2021)

An optimal control problem for the maintenance of a machine. - Mario Lefebvre; Peiman Pazhoheshfar (Int. J. Syst. Sci., 2022)

The homing problem for autoregressive processes. - Mario Lefebvre (IMA J. Math. Control. Inf., 2022)

A Discrete-Time Homing Problem with Two Optimizers. - Mario Lefebvre (Games, 2023)

Optimal Service Time Distribution for an M/G/1 Waiting Queue. - Mario Lefebvre; Roozbeh Yaghoubi (Axioms, 2024)

A first-passage-place problem for integrated diffusion processes. - Mario Lefebvre (J. Appl. Probab., 2024)

A Controlled Discrete-Time Queueing System as a Model for the Orders of Two Competing Companies. - Mario Lefebvre (Games, 2024)