@article{ASNSP_1968_3_22_2_343_0,
author = {Bruckner, A. M. and Rosenfeld, Melvin},
title = {A theorem on approximate directional derivatives},
journal = {Annali della Scuola Normale Superiore di Pisa - Classe di Scienze},
pages = {343--350},
publisher = {Scuola normale superiore},
volume = {Ser. 3, 22},
number = {2},
year = {1968},
zbl = {0155.10503},
mrnumber = {247012},
language = {en},
url = {http://archive.numdam.org/item/ASNSP_1968_3_22_2_343_0/}
}
TY - JOUR AU - Bruckner, A. M. AU - Rosenfeld, Melvin TI - A theorem on approximate directional derivatives JO - Annali della Scuola Normale Superiore di Pisa - Classe di Scienze PY - 1968 DA - 1968/// SP - 343 EP - 350 VL - Ser. 3, 22 IS - 2 PB - Scuola normale superiore UR - http://archive.numdam.org/item/ASNSP_1968_3_22_2_343_0/ UR - https://zbmath.org/?q=an%3A0155.10503 UR - https://www.ams.org/mathscinet-getitem?mr=247012 LA - en ID - ASNSP_1968_3_22_2_343_0 ER -
Bruckner, A. M.; Rosenfeld, M. A theorem on approximate directional derivatives. Annali della Scuola Normale Superiore di Pisa - Classe di Scienze, Série 3, Tome 22 (1968) no. 2, pp. 343-350. http://archive.numdam.org/item/ASNSP_1968_3_22_2_343_0/
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