Sentence examples for several papers studying from inspiring English sources

However, as far as we know, there are only several papers studying this kind of impact, see [23 28].

There have been several papers studying the outage probability performance in various CDMA systems [14, 15, 18].

There are several papers studying the existence and nonexistence of solutions of semilinear equations with Kohn Laplacian in the past two decades.

Moreover, several papers studying hair segments reported the lack of correlation between incorporation time and growth rate of hair [ 25– 27].

Several papers study the effect of immigrant peers in Europe3.

We observed that there exist several other papers studying fixed point theorems for (T+S) with T being nonexpansive, see, for instance, Edmunds [13] and Agarwal, O'Regan and Taoudi [7].

Recently, several papers have studied that using space-time-frequency (STF) codes across multiple OFDM blocks obtains the full diversity in frequency-selective fading channels [9 11].

Several papers have studied the determinants of getting PMTCT services.

She holds a doctorate in Political Science at the University of Luxembourg and has authored several papers and studies in the field of educational policies.

Several papers in library studies and education have examined e-book consumption for academic reading.

There are also several papers [6 8] that study the logistic equation with piecewise constant argument of the following form: x'(t)=bigl a-bxbigl [t]bigr bigr)x(t), (3) where ([cdot]) denotes the greatest integer function.