Union of derivative chains of two quadratic pencils of unbounded operators
Matematičeskie zametki, Tome 51 (1992) no. 4, pp. 85-90
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@article{MZM_1992_51_4_a10,
author = {I. V. Mustyatsa},
title = {Union of derivative chains of two quadratic pencils of unbounded operators},
journal = {Matemati\v{c}eskie zametki},
pages = {85--90},
publisher = {mathdoc},
volume = {51},
number = {4},
year = {1992},
language = {ru},
url = {http://geodesic.mathdoc.fr/item/MZM_1992_51_4_a10/}
}
I. V. Mustyatsa. Union of derivative chains of two quadratic pencils of unbounded operators. Matematičeskie zametki, Tome 51 (1992) no. 4, pp. 85-90. http://geodesic.mathdoc.fr/item/MZM_1992_51_4_a10/