TY - JOUR AU - Pattnaik, Ashapurna AU - Padhan, Saroj Kumar AU - Mohapatra, R. N. TI - Sufficient conditions for extremum of fractional variational problems JO - RAIRO. Operations Research PY - 2022 SP - 637 EP - 648 VL - 56 IS - 2 PB - EDP-Sciences UR - https://www.numdam.org/articles/10.1051/ro/2022035/ DO - 10.1051/ro/2022035 LA - en ID - RO_2022__56_2_637_0 ER -