1. Einstein in matrix form :exact derivation of the theory of special and general relativity without tensors
Author: Ludyk, Gunter.
Library: Central Library and Documents Center of Al-Zahra University (Tehran)
Subject: ، Matrices.,، Relativity)Physics(.
Classification :
QC
173
.
6
.
L38
2013
2. Time-variant discrete-time systems
Author: Gunter Ludyk
Library: Central Library and Information Center of Shahed University (Tehran)
Subject: Discrete-time systems
Classification :
QA
،
402
،.
L833
،
1981
